Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi hoac ke snippets" » "doi hoa ke snippets", "doi hoat ke snippets", "doi thoai ke snippets", "doi hoach de snippets", "doi hoach he snippets", "doi hoat keo 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 hoac ke 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 hoac ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi hoac ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi hoac ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.