Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan cho doi snippets" » "han cho doi snippets", "nhan nho doi snippets", "chan cho doi snippets", "nhan cho moi snippets", "nhan cuoc doi snippets", "nhan cho tuoi 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: (((("nhan cho doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan cho doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan cho doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan cho doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.