Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bay dan toi snippets" » "ban dan toi snippets", "cay dan toi snippets", "bac dan toi snippets", "bay dan toc snippets", "bay dan thi snippets", "bay van toi 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: (((("bay dan toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bay dan toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bay dan toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bay dan toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.