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