Perhaps you should try some spelling variations:
"dung cau trinh snippets" » "dung lap trinh snippets", "dung chau tinh snippets", "dung cau vinh snippets", "dung chau trinh snippets", "dung cu trinh snippets", "dung cac trinh snippets"
"using l code snippets" » "using lc code snippets", "using a code snippets", "using _ code snippets", "using lbm 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 l code snippets") or ("dung cau trinh snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using l code snippets") OR ("dung cau trinh snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( using l code snippets ) or ( dung cau trinh snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("using l code snippets") or ("dung cau trinh snippets"))) or ("locating bug code slippers"))*.