Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"troi cua dan snippets" » "tri cua dan snippets", "tro cua dan snippets", "hoi cua dan snippets", "troi cua dang snippets", "troi cua ban snippets", "troi ca dan snippets", "troi 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: (((("troi 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: (((("troi cua dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( troi cua dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("troi cua dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.