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