Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
truong quan » trong quan, thong quan, luong quan
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
quan nhung » qua nhung, cua nhung, luan chung
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
tran tap » toan tap, tran tan, tran tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) OR (chieu xanh)) - hanh truong quan nhung ((cong tan) or (cong san)) tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - hanh truong quan nhung ((cong tan) OR (cong san)) tran tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (chieu xanh)) - hanh truong quan nhung ((cong tan) or (cong san)) tran tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (chieu xanh)) - hanh truong quan nhung ((cong tan) or (cong san)) tran tap*.