Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"from con cua snippets" » "from cane cua snippets", "from coal cua snippets", "from core cua snippets", "from cong cua snippets", "from co cua snippets", "from dong cua 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: (((("from con cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("from con cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( from con cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("from con cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.