Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nao mu chi snippets" » "nao me chi snippets", "nao tu chi snippets", "nao cu chi snippets", "nao my chi snippets", "nao du chi snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 mu chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nao mu chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nao mu chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao mu chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.