Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
cong ngang » cong nhan, cong quang, cong lang
thanh chau » thanh cha, thanh cham, thanh chu
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong san » cong tac

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 nhung ((cong san) or (cong ngang)) thanh chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - thanh trung cua nhung ((cong san) OR (cong ngang)) thanh chau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh trung cua nhung ((cong san) or (cong ngang)) thanh chau*.