Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cong dan » cong san, cong tan, huong dan
toan cao » toan ban, toan tap

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 - hanh ((trung cua) or (truong cao)) nhung cong dan ((van ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((trung cua) OR (truong cao)) nhung cong dan ((van ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((trung cua) or (truong cao)) nhung cong dan ((van ban) or (toan cao))*.