Perhaps you should try some spelling variations:
tien thanh » tien thinh, tran thanh, den thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tong » thanh cong, thanh tung, thanh long
tong luan » tang luan, dung luan, hang luan
luan cong » luat cong, luong cong, luan chung
cong cong » cong dong, trong cong, dung cong
khoan cam » khoa cam, khoan va, phan cam
cong van » cong vang, cong san, song van
tuan ca » tan ca, tuan cu, thuan cam

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((tien thanh) or (chieu xanh)) - thanh tong luan cong cong van ((tuan ca) or (khoan cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien thanh) OR (chieu xanh)) - thanh tong luan cong cong van ((tuan ca) OR (khoan cam)).
• Adding a wildcard symbol may retrieve word variants: hoc ((tien thanh) or (chieu xanh)) - thanh tong luan cong cong van ((tuan ca) or (khoan cam))*.