Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van ni base snippets" » "van ni based snippets", "van nb based snippets", "van noi base snippets", "van nhi base snippets", "van ai base 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: (((("van ni base snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van ni base snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van ni base snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van ni base snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.