The publisher Baidu offers the following match types
Phrase (with the follow sub-phrase match types)
Note: Currently, Marin do not support sub-phrase match types. When creating a Baidu keyword with Phrase match type, it will default to Phrase-synonym.
Negative Keyword Match Types
Baidu supports the following match types for Negative Keywords:
- Exact: Supported at both Campaign and Group level
- Phrase: Supported at both Campaign and Group level
For further information, please refer to this official Baidu documentation.