Perhaps you should try some spelling variations:
"nhanh thuc chan snippets" » "nhan thuc chan snippets", "thanh thuy chan snippets", "anh thuc chan snippets", "nhanh thuc can snippets", "nhanh thuc nhan snippets", "nhanh thuc phan 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: (((("nhanh thuc chan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhanh thuc chan snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhanh thuc chan snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhanh thuc chan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.