Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi hat cu snippets" » "doi hoat cu snippets", "doi phat cu snippets", "doi tat cu snippets", "doi hat cua snippets", "doi bat cu snippets", "doi hat ca 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 hat cu 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 hat cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi hat cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi hat cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.