Perhaps you should try some spelling variations:
"trinh kha trinh snippets" » "trinh khoa trinh snippets", "trinh khai trinh snippets", "trinh kham trinh snippets", "trinh qua trinh snippets", "trinh ha tinh snippets", "trinh tra trinh snippets", "trinh kha trinh 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: (((("trinh kha trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh kha trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh kha trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh kha trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.