Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"luan chi vay snippets" » "luan cho vay snippets", "luan chi van snippets", "quan chi vay snippets", "lan chi vay snippets", "luan chi vay slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("luan chi vay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luan chi vay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan chi vay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan chi vay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.