Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
cong duong » cuong duong, con duong, cong luong
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
than cao » toan cao, thai cao, than sao
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - thanh trung cua ((cong duong) OR (cong dong)) dan ((than cao) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh trung cua ((cong duong) OR (cong dong)) dan ((than cao) OR (than cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - thanh trung cua ((cong duong) OR (cong dong)) dan ((than cao) or (than cap))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh trung cua ((cong duong) OR (cong dong)) dan ((than cao) or (than cap))*.