Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dac tan chi snippets" » "duc tan chi snippets", "dac san chi snippets", "dai tan chi snippets", "dac toan chi snippets", "dac tran chi snippets", "dac tai chi 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: (((("dac tan chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dac tan chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dac tan chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dac tan chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.