Perhaps you should try some spelling variations:
"nhat moi code snippets" » "nha moi code snippets", "nhat mpsi code snippets", "nhap mon code snippets", "nhat moi co snippets", "nhat moi cong snippets", "nhat moi con snippets", "nhat moi 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: (((("nhat moi 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: (((("nhat moi code snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat moi code snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat moi code snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.