Update ISSUE_TEMPLATE.md (#357)

ISSUE_TEMPLATE.md

 Thank you for contributing to PaddlePaddle. Submitting an issue is a great help for us.
 Both Chinese and English issues are welcome.
 
+It's hard to solve a problem when important details are missing.
 Before submitting the issue, look over the following criteria before handing your request in.
 
-- [ ] Was there a similar issue submitted or resolved before? You could search issue in the github.
-- [ ] Did you go to the search engine for your question?
-- [ ] Is my description of issue clear enough to reproduce this problem?
-   * If there are some errors occured, we need details about `how do you run your code?`, `what system do you use?`, `Are you using GPU or not?`, etc.
-   * If you could provide an [asciinema](https://asciinema.org/) record, that's awesome! We could help you solve the problem more quickly.
-- [ ] Is my description of issue use the github markdown correctly?
-   * Please use correct markdown syntax for code, header, etc.
-   * You can reference [this page](https://guides.github.com/features/mastering-markdown/) for markdown syntax.
+- [ ] Was there a similar issue submitted or resolved before ? You could search issue in the github.
+- [ ] Did you retrieve your issue from widespread search engines ?
+- [ ] Is my description of the issue clear enough to reproduce this problem?
+   * If some errors occured, we need details about `how do you run your code?`, `what system do you use?`, `Are you using GPU or not?`, etc.
+   * If you use an recording [asciinema](https://asciinema.org/) to show what you are doing to make it happen, that's awesome! We could help you solve the problem more quickly.
+- [ ] Is my description of the issue use the github markdown correctly?
+   * Please use the proper markdown syntaxes for styling all forms of writing, e.g, source code, error information, etc.
+   * Check out [this page](https://guides.github.com/features/mastering-markdown/) to find out much more about markdown.