Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con nang cho snippets" » "con bang cho snippets", "hon nang cho snippets", "cong ngang cho snippets", "con nang chon snippets", "con ngang cho snippets", "con nang cao 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 nang 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: (((("con nang cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con nang cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con nang cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.