Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi chau doc snippets" » "doi chieu doc snippets", "gioi chau doc snippets", "hoi chu doc snippets", "doi chat doc snippets", "doi cau do snippets", "doi phau hoc 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 chau doc 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 chau doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi chau doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi chau doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.