Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham tay co snippets" » "pham tai co snippets", "pham xay co snippets", "pham tan co snippets", "pham ty co snippets", "pham cay co snippets", "pham tay o 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: (((("pham tay co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham tay co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham tay co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham tay co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.