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