Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con va cai snippets" » "cong va cai snippets", "chon va cai snippets", "lon va cai snippets", "con va cac snippets", "con va bai snippets", "con va dai 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: (((("con va cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con va cai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con va cai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con va cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.