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