Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can len hoa snippets" » "gan len hoa snippets", "can benh hoa snippets", "luan len hoa snippets", "can yen hoa snippets", "can dien hoa snippets", "can tien hoa 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: (((("can len hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("can len hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can len hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can len hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.