Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan cua cu snippets" » "nhat cua cu snippets", "nhan luc cu snippets", "nhan su cu snippets", "nhan cua chu snippets", "nhan cua su snippets", "nhan cua co 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: (((("nhan cua cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan cua cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan cua cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan cua cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.