Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
manh trung » manh tung, thanh trung, manh hung
cua truong » cua trung, xuan truong, cac truong
doi trieu » dong trieu, doi chieu, doi trinh
trung cua » truong cua, trung tuan, trung cap
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
ran cau » van cau, ban cau, can cau
van dau » van dao, phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi trieu) or (ho chieu)) tinh - manh trung cua truong cong tac ((ran cau) or (van dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi trieu) OR (ho chieu)) tinh - manh trung cua truong cong tac ((ran cau) OR (van dau)).
• Adding a wildcard symbol may retrieve word variants: ((doi trieu) or (ho chieu)) tinh - manh trung cua truong cong tac ((ran cau) or (van dau))*.