Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cot cua dan snippets" » "co cua dan snippets", "con cua dan snippets", "coi cua dan snippets", "cot cua dang snippets", "cot cua ban snippets", "cot ca dan snippets", "cot 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: (((("cot 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: (((("cot cua dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( cot cua dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))*.