Perhaps you should try some spelling variations:
"using c code snippets" » "using lc code snippets", "using a code snippets", "using _ code snippets", "using cfd code snippets"
"dung le danh slippers" » "dung len danh slippers", "dung he danh slippers", "dung de danh slippers", "dung le dinh slippers", "dung le anh slippers", "dung le manh slippers", "dung le danh slippery", "dung le danh grippers"
"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 ("dung le danh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using c code snippets") OR ("dung le danh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using c code snippets ) or ( dung le danh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using c code snippets") or ("dung le danh slippers"))) or ("locating bug code snippets"))*.