Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoi ca cho snippets" » "doi ca cho snippets", "cuoi cua cho snippets", "nuoi cay cho snippets", "duoi cap cho snippets", "duoi cao cho snippets", "duoi cay 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: (((("duoi ca 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: (((("duoi ca cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoi ca cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoi ca cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.