Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngoc pha co snippets" » "ngoc phan co snippets", "ngoc phac co snippets", "ngoc ha co snippets", "ngoc phai co snippets", "ngoc pa co 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: (((("ngoc pha 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: (((("ngoc pha co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngoc pha co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc pha co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.