Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi dao cac snippets" » "doc dao cac snippets", "doi dau cac snippets", "doi dam cac snippets", "doi do cac snippets", "doi sao cac snippets", "doi tao cac 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 dao cac 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 dao cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi dao cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi dao cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.