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