Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong cong » phuong dong, phong cong, phung cong
theo chieu » theo tieu, theo chu, thi chieu
va phuong » va thuong, cac phuong
ho chieu » hoc thieu, doi chieu, mot chieu
trung va » truong va, trang va, trung ha
cong tan » cong tac, cong san, cong thanh
tan khan » tan khang, tan nhan, toan khoan
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (theo chieu)) xanh - thanh trung va phuong cong tan khan cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) xanh - thanh trung va phuong cong tan khan cap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) xanh - thanh trung va phuong cong tan khan cap*.