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