Perhaps you should try some spelling variations:
"khuong sinh trac snippets" » "khuong tinh trac snippets", "khang sinh trac snippets", "phuong binh trac snippets", "khuong sinh thai snippets", "khuong sinh thuc snippets", "khuong anh trac snippets", "khuong sinh trac 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 ("khuong sinh trac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using c code snippets") OR ("khuong sinh trac snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using c code snippets ) or ( khuong sinh trac snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using c code snippets") or ("khuong sinh trac snippets"))) or ("locating bug code snippets"))*.