Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dam duoi ke snippets" » "dam cuoi ke snippets", "nam duoi ke snippets", "dam duong ke snippets", "dam duoi kip snippets", "dam nuoi ket 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: (((("dam duoi ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dam duoi ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dam duoi ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam duoi ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.