Perhaps you should try some spelling variations:
sang tao » hang tai
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
va hanh » van hanh, va danh, ban hanh
ky sang » ky nang, ky dang, ky tang
tao hoi » tao khoi, tao boi, tay hoi
hieu su » hieu sau, tieu su, hieu so
vi cua » vai cua, di cua
su cao » cu cao, vu cao, su co
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: ((tu sach) or (tu cac)) ky sang tao hoi. hieu su cao su ((va hanh) or (va thanh)) vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (tu cac)) ky sang tao hoi. hieu su cao su ((va hanh) OR (va thanh)) vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (tu cac)) ky sang tao hoi. hieu su cao su ((va hanh) or (va thanh)) vi cua te*.