Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
hanh trung » thanh trung, hanh trang, manh trung
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
thanh lap » thanh san, phan lap, thanh hai
cong ban » cong bang, cong tan, cong dan
cong san » cong tac

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 (doi chieu)) tinh - hanh trung cua nhung ((cong ban) OR (cong san)) thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doi chieu)) tinh - hanh trung cua nhung ((cong ban) OR (cong san)) thanh lap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (doi chieu)) tinh - hanh trung cua nhung ((cong ban) OR (cong san)) thanh lap*".