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