Perhaps you should try some spelling variations:
"dang anh trac snippets" » "dang hanh trac snippets", "dang manh trac snippets", "dong anh trac snippets", "dang sinh trac snippets", "dang anh tuan snippets", "dang anh thuc snippets"
"using c code snippets" » "using lc code snippets", "using a code snippets", "using _ code snippets", "using cfd code snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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