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