Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
dung phuong » dung thuong, bang phuong, dung chung
phuong van » phung van, phong van, phuong lan
hieu manh » chieu xanh, hieu nganh, dieu hanh
canh manh » lanh manh, canh tranh, cach mang
van thanh » ban thanh, van tuan
thanh cau » thanh chau, thanh mau, nhanh cau
manh qua » manh quan, manh cua, danh qua
qua dung » quang dung, su dung, qua song

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (thien thanh)) - canh manh qua dung phuong van thanh cau~.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (thien thanh)) - canh manh qua dung phuong van thanh cau*.