Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran ve ke snippets" » "tran vu ke snippets", "toan ve ke snippets", "tran v ke snippets", "tran ve ky snippets", "tran ve ki snippets", "tran va ke 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: (((("tran ve ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran ve ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran ve ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran ve ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.