Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tu duoi ca snippets" » "tu doi ca snippets", "tu duoc ca snippets", "tu muoi ca snippets", "tu cuoi cua snippets", "tu nuoi cay 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: (((("tu duoi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu duoi ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tu duoi ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu duoi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.