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