Perhaps you should try some spelling variations:
"dung bai chat snippets" » "dung bai code snippets", "dung tai chat snippets", "dung sai chat snippets", "dung hai chat snippets", "dung bai hat snippets", "dung ban chat snippets", "dung bao chat snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung bai chat snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung bai chat snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung bai chat snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung bai chat snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.