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