Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban cuu tong snippets" » "ban cuu cong snippets", "ban cuu long snippets", "ban cuu tinh snippets", "ban cua tong snippets", "ban cau tong snippets", "ban muu 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: (((("ban cuu 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: (((("ban cuu tong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban cuu tong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban cuu tong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.