Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung tru cau snippets" » "dung tri cau snippets", "dung thu cau snippets", "dung tu cau snippets", "dung truc cau snippets", "dung tru sau snippets", "dung tra cau 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: (((("dung tru cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung tru cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung tru cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tru cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.