Perhaps you should try some spelling variations:
thien danh » thien dang, thien thanh, thien chanh
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
thien anh » tien anh, thien thanh, thien chanh
hung tuan » hung tran, quang tuan, hung thang
cong tan » cong tac, cong san, cong thanh
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 ((thien anh) or (thien danh)) - thanh ((hung tuan) or (trung tuan)) nhung cong tan tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (thien danh)) - thanh ((hung tuan) OR (trung tuan)) nhung cong tan tran tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) or (thien danh)) - thanh ((hung tuan) or (trung tuan)) nhung cong tan tran tap*.