Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dau ca ong snippets" » "dau cay ong snippets", "dau cua ong snippets", "dan ca ong snippets", "dau ca muong snippets", "dau ca trong 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: (((("dau ca ong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dau ca ong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau ca ong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau ca ong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.