Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khac cua cau snippets" » "khan cua cau snippets", "khac cuoc cau snippets", "khac duan cau snippets", "khac chua cau snippets", "khac cua cac snippets", "khac cua chu 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: (((("khac cua 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: (((("khac cua cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khac cua cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khac cua cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.