Perhaps you should try some spelling variations:
"thanh trinh hoi snippets" » "hanh trinh hoi snippets", "thanh tinh hoi snippets", "thanh binh hoi snippets", "thanh trinh hoa snippets", "thanh trinh do snippets", "thanh trinh han snippets"
"dung java java snippets" » "dung va java snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("thanh trinh hoi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thanh trinh hoi snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thanh trinh hoi snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thanh trinh hoi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.