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