Perhaps you should try some spelling variations:
tuong quan » truong quan, thong quan, luong quan
tung quan » trung quan, dung quan, tong quan
dong dan » dong danh, duong dan, cong dan
dong san » cong san, dong bang, dong von
than cap » khan cap, thanh lap, thanh cac
ki tinh » vi tinh, bi tinh, ki sinh
hoc ki » hoc ky, hoc kinh, hoc khoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ki tinh - thanh ((tung quan) or (tuong quan)) hanh ((dong dan) OR (dong san)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ki tinh - thanh ((tung quan) OR (tuong quan)) hanh ((dong dan) OR (dong san)) than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ki tinh - thanh ((tung quan) or (tuong quan)) hanh ((dong dan) OR (dong san)) than cap".
• Adding a wildcard symbol may retrieve word variants: hoc ki tinh - thanh ((tung quan) or (tuong quan)) hanh ((dong dan) OR (dong san)) than cap*.