Perhaps you should try some spelling variations:
trung thanh » truong thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
trung cua » truong cua, trung tuan, trung cap
cong toan » cong tan, cong hoan, cong doan
cong tuan » cong tan, cong luan, cong thanh
ho chieu » theo chieu, hoc thieu, doi chieu
quan ha » quan he

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