Perhaps you should try some spelling variations:
"thanh lieu code snippets" » "thanh liem code snippets", "thanh thieu code snippets", "thanh vien code snippets", "thanh lieu cong snippets", "thanh lieu co snippets", "thanh lieu che snippets", "thanh lieu code slippers"
"dung bug code snippets" » "dung dung code snippets", "dung hung code snippets", "dung rung code snippets", "dung bug code slippers"
"locating bug code snippets" » "locating bug code slippers"

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: (((("thanh lieu code snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thanh lieu code snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thanh lieu code snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thanh lieu code snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.