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