Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
cham xuc » cam xuc, chat xuc, cham soc
sach ky » sac ky, sach y, sach ty
thai su » thai xu, tai su, thap su
va dinh » van dinh, va kinh, va tinh
va hanh » van hanh, va thanh, va danh
su sach » so sach, vu sach
hieu va » lieu va, hieu qua
hieu ve » hieu van
dang ma » dang mau, dang mam, dang mat
ky dang » ky nang, ky danh
ma hoi » mai hoi, xa hoi, ma hoa

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 dang ma hoi. ((hieu ve) OR (hieu va)) cham xuc ((va hanh) or (va dinh)) thai su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky dang ma hoi. ((hieu ve) OR (hieu va)) cham xuc ((va hanh) OR (va dinh)) thai su triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky dang ma hoi. ((hieu ve) OR (hieu va)) cham xuc ((va hanh) or (va dinh)) thai su triet".
• Adding a wildcard symbol may retrieve word variants: su sach ky dang ma hoi. ((hieu ve) OR (hieu va)) cham xuc ((va hanh) or (va dinh)) thai su triet*.