Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dam cua cao snippets" » "dai cua cao snippets", "day cua cao snippets", "nam cua cao snippets", "dam cua cac snippets", "dam cu cao snippets", "dam cua 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: (((("dam cua cao 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 cua cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dam cua cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam cua cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.