Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi ca hoi snippets" » "doi cua hoi snippets", "doi cay hoi snippets", "duoi ca hoi snippets", "doi cau hoi snippets", "doi xa hoi 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: (((("doi ca hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi ca hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi ca hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi ca hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.