Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
trung cua » truong cua, trung tuan, trung cap
trinh dan » trinh han, trinh san, trinh da
ho chieu » theo chieu, hoc thieu, doi chieu
than cao » toan cao, than cap, than sao
thai cao » tai cao, thoai cac, thuat cao

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 xanh - thanh trung cua cong trinh dan ((than cao) or (thai cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung cua cong trinh dan ((than cao) OR (thai cao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung cua cong trinh dan ((than cao) or (thai cao))*.