Perhaps you should try some spelling variations:
"nang quan code snippets" » "ban quan code snippets", "nang suat code snippets", "nang quan che snippets", "nang quan co snippets", "nang quan code slippers"
"kha trinh java snippets" » "qua trinh java snippets", "ha tinh java snippets", "tra trinh java snippets", "kha trinh java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

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