Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
cham xuc » cam xuc, chat xuc, cham soc
sang mai » sang ma, sang tai, lang mai
mai hoi » mai khoi, dai hoi, lai hoi
ky sang » ky nang, ky dang, ky tang
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
sach ky » sac ky, sach y, sach ty
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
su sach » so sach, vu sach
ca su » cua su, cao su, ca sau

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 mai hoi. hieu ve cham xuc ((va hanh) OR (va danh)) ca su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky sang mai hoi. hieu ve cham xuc ((va hanh) OR (va danh)) ca su triet".
• Adding a wildcard symbol may retrieve word variants: su sach ky sang mai hoi. hieu ve cham xuc ((va hanh) OR (va danh)) ca su triet*.