Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phuc pham le snippets" » "thuc pham le snippets", "phuc cham le snippets", "phuoc phan le snippets", "phuc phan le snippets", "phuc pham lan 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: (((("phuc pham le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phuc pham le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phuc pham le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phuc pham le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.