Perhaps you should try some spelling variations:
"nhan luc code snippets" » "nang luc code snippets", "nhan lbm code snippets", "nhan luc cong snippets", "nhan luc code slippers"
"nhanhg java java snippets" » "nhanhg java 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: (((("nhan luc code snippets") or ("nhanhg java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan luc code snippets") OR ("nhanhg java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan luc code snippets ) or ( nhanhg java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan luc code snippets") or ("nhanhg java java snippets"))) or ("locating bug code snippets"))*.