Perhaps you should try some spelling variations:
trung thanh » truong thanh
thuong cong » thong cong, thuong con, thuong dong
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung tam, tran tuan, truong thanh
doi chieu » doc hieu, doi chi, ho chieu
dung cua » dung luan, dung cho
cong tac » cong ty
tac hanh » tac thanh, tac danh, sac hanh
hanh cac » hang cac, hanh cat, nhanh cay

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - thanh ((dung cua) or (((trung tuan) OR (trung thanh)))) thuong cong tac hanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh ((dung cua) OR (((trung tuan) OR (trung thanh)))) thuong cong tac hanh cac*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - thanh ((dung cua) or (((trung tuan) OR (trung thanh)))) thuong cong tac hanh cac*".