Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi luat cho snippets" » "hoi luan cho snippets", "hoc luat cho snippets", "thai luat cho snippets", "hoi luat pho snippets", "hoi xuat chao snippets", "hoi luat bao 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: (((("hoi luat 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: (((("hoi luat cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi luat cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi luat cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.