Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach vi doc snippets" » "cac vi doc snippets", "mach vi doc snippets", "cach viet doc snippets", "cach va doc snippets", "cach vi hoc snippets", "cach vi boc 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: (((("cach vi doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach vi doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach vi doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach vi doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.