Perhaps you should try some spelling variations:
doan manh » doan minh, hoang manh, tran manh
nam thuc » nam thuoc, am thuc, nam thu
dan manh » dang manh, van manh, day manh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
ca viet » va viet, co viet, hoa viet
ve nam » he nam, va nam, le nam
vai ca » vai cac, vai cua, bai ca
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang x hoi. hieu ve nam thuc ((dan manh) OR (doan manh)) vai ca viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang x hoi. hieu ve nam thuc ((dan manh) OR (doan manh)) vai ca viet".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x hoi. hieu ve nam thuc ((dan manh) OR (doan manh)) vai ca viet*.