Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan nam cau snippets" » "tang nam cau snippets", "van nam cau snippets", "dan nam cau snippets", "tan nam cao snippets", "tan nam cac snippets", "tan nam ca 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 nam cau 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 nam cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan nam cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan nam cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.