Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan cua cap snippets" » "nhat cua cap snippets", "nhan luc cap snippets", "nhan su cap snippets", "nhan cua cac snippets", "nhan cua cay snippets", "nhan cua can 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 cap 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 cap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan cua cap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan cua cap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.