Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
cham xuc » cam xuc, chat xuc, cham soc
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
sach ky » sac ky, sach ty, sach kem
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
ve cham » va cham, ve chat, vu cham
ma hoi » mai hoi, xa hoi, ma hoa
vi su » va su, ve su, ki su

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