Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu ngu coc snippets" » "cau ngu coc snippets", "huu ngu coc snippets", "cuu ngu hoc snippets", "cuu ngu cac snippets", "cuu ngu 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: (((("cuu ngu coc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuu ngu coc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu ngu coc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu ngu coc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.