Perhaps you should try some spelling variations:
wang manning » wang danning, wang yanling, wang yangming
wang daoping » wang xiaoping, wang danning, wang xiaobing
sang minh » kang minah, anh minh, song min
minh how » mind how, minh hoa, myth how
de sang » de san, du sang, le sang
how hai » how has, how ai, how hci
tony a » tony h, tony j
a de » a die, a der, a des

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang manning) OR (wang daoping)) tony a de sang minh how hai ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang manning) or (wang daoping)) tony a de sang minh how hai ;*.