Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc dung cuc snippets" » "duc hung cuc snippets", "duc cuong cuc snippets", "duc phung cuc snippets", "duc dung cua snippets", "duc dung cu snippets", "duc dung cac 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: (((("duc dung cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc dung cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc dung cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc dung cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.