Perhaps you should try some spelling variations:
"dung hoai cham snippets" » "dung hoai code snippets", "dung hai cham snippets", "dang hoai cham snippets", "dung hoa cham snippets", "dung hoi cham snippets", "dung khoai chau snippets", "dung hoa 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 hoai cham 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 hoai cham snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung hoai cham snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung hoai cham snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.