Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
thanh trung » thanh tung
va phuong » va thuong, cac phuong
ho chieu » theo chieu, hoc thieu, doi chieu
trung va » truong va, trang va, trung ha
cong tac » cong ty
tac hanh » tac thanh, tac danh, sac hanh
hanh cap » hanh cac, hanh cat, hanh cad

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 (hoc hien)) xanh - thanh trung va phuong cong tac hanh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc hien)) xanh - thanh trung va phuong cong tac hanh cap.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc hien)) xanh - thanh trung va phuong cong tac hanh cap*.