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