Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao dang cac snippets" » "cao dang cac snippets", "da dang cac snippets", "dao dong cac snippets", "dao dung cac snippets", "dao bang cac 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 dang cac 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 dang cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao dang cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao dang cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.