Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat quan cai snippets" » "dat quang cai snippets", "dan quan cai snippets", "dat luan cai snippets", "dat quan tai snippets", "dat quan hai snippets", "dat qua cai 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: (((("dat quan 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: (((("dat quan cai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat quan cai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat quan cai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.