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