Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang ho cua snippets" » "nang hoc cua snippets", "nang co cua snippets", "tang ho cua snippets", "nang hoi cua snippets", "nang hoa cua 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: (((("nang ho cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang ho cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang ho cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang ho cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.