Perhaps you should try some spelling variations:
nang lai » nang tai, mang lai, nang cai
su triet » su viet, ve triet
van hanh » van thanh, ban hanh, van anh
tu sach » thu sach, su sach, te sach
xuc van » duc van, luc van, vuc van
hanh ki » hanh vi, hanh ky, hanh kien
cao xuc » cam xuc, cao duc, cao suc
sach tu » sach thu, cach tu, sach ty
hieu va » lieu va, hieu qua
lai hoi » dai hoi, lai hoa, lai roi
tu nang » tru nang, tu nong, tu nano
su tien » su kien, su hien, tu tieng
va cao » va cac, va co, va dao

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 tu nang lai hoi. hieu va cao xuc van hanh ki ((su triet) or (su tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tu nang lai hoi. hieu va cao xuc van hanh ki ((su triet) OR (su tien)).
• Adding a wildcard symbol may retrieve word variants: tu sach tu nang lai hoi. hieu va cao xuc van hanh ki ((su triet) or (su tien))*.