Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cat sam cua snippets" » "cat nam cua snippets", "cat lam cua snippets", "cat dam cua snippets", "chat sam cua snippets"
"locating bug code snippets" » "lochating 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: (((("cat sam 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: (((("cat sam cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cat sam cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cat sam cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.