Perhaps you should try some spelling variations:
"nhanh cay coc snippets" » "nhanh ha coc snippets", "nhanh bac coc snippets", "nhanh va coc snippets", "nhanh cay co snippets", "nhanh cay cong 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 cay coc 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 cay coc snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhanh cay coc snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhanh cay coc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.