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