Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nao bay lon snippets" » "nao ban lon snippets", "nano bac lon snippets", "ngay bay lon snippets", "nao bai lon snippets", "nao tay luon 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: (((("nao bay 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: (((("nao bay lon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nao bay lon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nao bay lon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.