Perhaps you should try some spelling variations:
"khoan thanh java snippets" » "hoan thanh java snippets", "phan thanh java snippets", "hoang thanh java snippets", "khoan thanh va snippets", "khoan trinh java snippets", "khoan think java snippets", "khoan thanh java slippers"
"using c code snippets" » "using lc code snippets", "using a code snippets", "using _ code snippets", "using cfd code snippets", "using c code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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: (((("using c code snippets") or ("khoan thanh java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using c code snippets") OR ("khoan thanh java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using c code snippets ) or ( khoan thanh java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using c code snippets") or ("khoan thanh java snippets"))) or ("locating bug code snippets"))*.