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