Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan tran ca snippets" » "tan tan ca snippets", "tan tranh cua snippets", "tan tran chau snippets", "toan tran ca snippets", "than tran ca snippets", "tuan tran 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: (((("tan tran ca 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 tran ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan tran ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan tran ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.