Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"voi can tuan snippets" » "voi van tuan snippets", "voi tran tuan snippets", "voi manh tuan snippets", "voi cac tuan snippets", "voi cong tuan snippets", "voi hang tuan snippets", "voi can tuan 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: (((("voi can tuan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("voi can tuan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( voi can tuan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("voi can tuan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.