Perhaps you should try some spelling variations:
"vung sinh trinh snippets" » "vung dinh trinh snippets", "vung hanh trinh snippets", "vung sinh trung snippets", "dung sinh trinh snippets", "duong sinh trinh snippets", "luong sinh trinh snippets", "vung sinh 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: (((("vung sinh 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: (((("vung sinh trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vung sinh trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vung sinh trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.