Perhaps you should try some spelling variations:
thanh tong » thanh cong, thanh tung, thanh long
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
tong quan » thong quan, tong luan, luong quan
quan dong » quang dong, quan long, quan hoang
dong cong » duong cong, dung cong, dang cong
cong van » cong vang, cong san, song van
van tan » van tuan, van ban, van tai
tan cau » toan cau, van cau, tan ca

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 (thien anh)) - thanh tong quan dong cong van tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - thanh tong quan dong cong van tan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien anh)) - thanh tong quan dong cong van tan cau*.