Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhe ca chi snippets" » "nghe ca chi snippets", "nhe cac chi snippets", "nghe cua chi snippets", "nhe a chi snippets", "nhe cu chi snippets", "nhe la 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: (((("nhe ca 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: (((("nhe ca chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhe ca chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhe ca chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.