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