Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc cu cua snippets" » "doc cua cua snippets", "doc cuoc cua snippets", "doc cau cua snippets", "doc ca cua snippets", "doc co 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: (((("doc cu 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: (((("doc cu cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc cu cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc cu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.