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