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