Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"tan tran ha snippets" » "tan tran hai snippets", "tan trang ha snippets", "tan tran han snippets", "toan tran ha snippets", "than tran ha snippets", "tuan tran ha snippets", "tan tran ha slippers"

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 ha snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan tran ha snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( tan tran ha snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan tran ha snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.