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