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