Perhaps you should try some spelling variations:
"khoi nang tranh snippets" » "khoi nang thanh snippets", "khoi canh tranh snippets", "khoi dang tran snippets", "hoi nang tranh snippets", "khoi nganh tranh snippets", "khoai lang tranh snippets", "khoi nang tranh slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("khoi nang tranh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi nang tranh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi nang tranh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi nang tranh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.