Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi sinh co snippets" » "hoi sinh co snippets", "noi sinh co snippets", "doi dinh co snippets", "doi sinh con snippets", "doi kinh co snippets", "doi tinh co 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 sinh co 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 sinh co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi sinh co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi sinh co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.