Perhaps you should try some spelling variations:
"dong trinh nhap slippers" » "cong trinh nhap slippers", "dong tinh nhap slippers", "dong tranh nhap slippers", "dong trinh nha slippers", "dong trinh phap slippers", "dong trinh han slippers", "dong trinh nhap slippery", "dong trinh nhap grippers"
"using c code snippets" » "using lc code snippets", "using a code snippets", "using _ code snippets", "using cfd code snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

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 ("dong trinh nhap slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using c code snippets") OR ("dong trinh nhap slippers"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( using c code snippets ) or ( dong trinh nhap slippers ))) or ( locating bug code snippets ))*.