Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan lap hoa snippets" » "toan lap hoa snippets", "dan lap hoa snippets", "tai lap hoa snippets", "tan lap hoat snippets", "tan lap khoa snippets", "tan tap 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: (((("tan lap 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: (((("tan lap hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan lap hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan lap hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.