Perhaps you should try some spelling variations:
"cong quan xa snippets" » "cuong quan xa snippets", "cong quang xa snippets", "tong quan xa snippets", "cong quan ha snippets", "cong quan va snippets", "cong quan cua snippets", "cong quan xa 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 quan xa 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 quan xa snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong quan xa snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong quan xa snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.