Perhaps you should try some spelling variations:
"cong canh tranh snippets" » "cong danh tranh snippets", "cong thanh tranh snippets", "cong khanh tranh snippets", "cong canh trinh snippets", "cong canh thanh snippets", "cong canh tran snippets", "cong canh tranh 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 canh tranh 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 canh tranh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong canh tranh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong canh tranh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.