Perhaps you should try some spelling variations:
"hoa van trinh snippets" » "hoa van thinh snippets", "hoa van tinh snippets", "hoa dan trinh snippets", "hoang van trinh snippets", "hoa phan trinh snippets", "hoa van trinh slippers"
"dung va java snippets" » "dung java java snippets", "dung va 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: (((("hoa van trinh snippets") or ("dung va java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoa van trinh snippets") OR ("dung va java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoa van trinh snippets ) or ( dung va java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoa van trinh snippets") or ("dung va java snippets"))) or ("locating bug code snippets"))*.