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