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