Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
thong cong » trong cong, tong cong, thong thong
trinh phan » trinh han, trinh quan, thanh phan
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
ho chieu » hoc thieu, doi chieu, mot chieu
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) OR (ho chieu)) tinh - thanh trung cua thong cong trinh phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) tinh - thanh trung cua thong cong trinh phan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (ho chieu)) tinh - thanh trung cua thong cong trinh phan cau*.