Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
cong dan » cong san, cong tan, huong dan
than ban » thanh ban, toan ban, than man

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