Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trung dap » trung cap, trung dam, trung lap
trung dai » truong dai, truong dao, trung tam
thanh cac » hanh cac, thanh bac, thanh ca
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh

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