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