Perhaps you should try some spelling variations:
manh truong » manh trung, manh tuong, anh truong
truong cao » truong dai
chung cong » nhung cong, chong cong, phung cong
hieu xanh » chieu xanh, hieu nganh, dieu hanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
cao chung » cac chung, cho chuong, chon chung
cong tan » cong tac, cong san, cong thanh
tran huu » tran duc

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu xanh) OR (hieu manh)) - manh truong cao chung cong tan tran huu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) OR (hieu manh)) - manh truong cao chung cong tan tran huu".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) OR (hieu manh)) - manh truong cao chung cong tan tran huu*.