Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung muon ve snippets" » "cung muon ve snippets", "dung nguon ve snippets", "dung huong ve snippets", "dung mon ve snippets", "dung duong ve snippets", "dung cuong ve 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 muon ve 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 muon ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung muon ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung muon ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.