Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"both cua dan snippets" » "benh cua dan snippets", "bat cua dan snippets", "bo cua dan snippets", "both cua dang snippets", "both cua ban snippets", "both ca dan snippets", "both cua dan slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("both cua dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("both cua dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( both cua dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("both cua dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.