Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nao nghe cnc snippets" » "nao nghe code snippets", "nam nghe cnc snippets", "tao nghe cnc snippets", "nang nghe cnc snippets", "nao nghe cong snippets", "nao nghe che snippets", "nao nghe co snippets"
"python using java snippets" » "python using data 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: (((("nao nghe cnc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nao nghe cnc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nao nghe cnc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao nghe cnc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.