Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dac tan du snippets" » "duc tan du snippets", "dac san du snippets", "dai tan du snippets", "dac toan du snippets", "dac tang du snippets", "dac van du 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 du 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 du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dac tan du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dac tan du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.