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