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