Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao giao con snippets" » "dan giao con snippets", "bao giao con snippets", "dai giao con snippets", "dao giao cong snippets", "dao gian con snippets", "dao gia cong 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: (((("dao giao con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao giao con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao giao con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao giao con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.