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