Perhaps you should try some spelling variations:
sang tao » hang tai
cam truc » cau truc, lam truoc, nam truoc
nam truc » nam truoc, nam thuc, nam trung
su sach » so sach, vu sach
va dinh » van dinh, va kinh, va tinh
ky sang » ky nang, ky dang, ky tang
tao dai » thoi dai
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
va danh » va dan, va hanh, dia danh
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky sang tao dai. hieu ve ((cam truc) or (nam truc)) ((va danh) OR (va dinh)) vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky sang tao dai. hieu ve ((cam truc) OR (nam truc)) ((va danh) OR (va dinh)) vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky sang tao dai. hieu ve ((cam truc) or (nam truc)) ((va danh) OR (va dinh)) vi cua te".
• Adding a wildcard symbol may retrieve word variants: su sach ky sang tao dai. hieu ve ((cam truc) or (nam truc)) ((va danh) OR (va dinh)) vi cua te*.