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