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