Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"when hoi cau snippets" » "khien hoi cau snippets", "hen ho cau snippets", "chen hsi cau snippets", "when hoi chu snippets", "when hoc cau snippets", "when hoa 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: (((("when hoi 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: (((("when hoi cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( when hoi cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("when hoi cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.