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