Perhaps you should try some spelling variations:
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hieu ve » hieu va, hieu van
cao suc » cao duc
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
vi cuu » vi luu, vinh cuu
x hoi » xa hoi, o hoi, x ho

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang x hoi. hieu ve ((cao suc) OR (cao su)) va hanh vi cuu tre~".
• Adding a wildcard symbol may retrieve word variants: su sach ty nang x hoi. hieu ve ((cao suc) OR (cao su)) va hanh vi cuu tre*.