Perhaps you should try some spelling variations:
"tinh van thinh snippets" » "tinh van thanh snippets", "tinh van chinh snippets", "tinh van minh snippets", "trinh van thinh snippets", "dinh van thinh snippets", "tinh va thinh snippets", "tinh 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: (((("tinh 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: (((("tinh van thinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh van thinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh van thinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.