Perhaps you should try some spelling variations:
tien thanh » tien thinh, tran thanh, den thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh dung » thanh duong, thanh tung, thanh hung
luan cong » luat cong, luong cong, luan chung
cong cong » cong dong, trong cong, dung cong
thuan cam » thuat cam, thuat dam, khoan cam
cong van » cong vang, cong san, song van
tuan ca » tan ca, tuan cu, toan cao

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 dung luan cong cong van ((tuan ca) or (thuan cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien thanh) OR (chieu xanh)) - thanh dung luan cong cong van ((tuan ca) OR (thuan cam)).
• Adding a wildcard symbol may retrieve word variants: hoc ((tien thanh) or (chieu xanh)) - thanh dung luan cong cong van ((tuan ca) or (thuan cam))*.