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
tranh qua » tranh cua, trinh qua, tranh quang
thanh qua » thanh quan, thanh qui, hanh qua
van thanh » ban thanh, van tuan
thanh cau » thanh chau, thanh mau, nhanh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (thien thanh)) - canh ((tranh qua) OR (thanh qua)) dung phuong van thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (thien thanh)) - canh ((tranh qua) OR (thanh qua)) dung phuong van thanh cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hieu manh) or (thien thanh)) - canh ((tranh qua) OR (thanh qua)) dung phuong van thanh cau*".