Perhaps you should try some spelling variations:
hieu van » thien van, lieu va, hieu ve
kem phat » te phat, de phat, tam phat
te sach » toc sach
cao hoi » cau hoi, co hoi, cao hoc
hieu va » lieu va, hieu qua
lam xuc » cam xuc, lam duoc
va hanh » van hanh, va thanh, va danh
y nang » ky nang, ly nang, v nang
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang cao hoi. ((hieu van) OR (hieu va)) lam xuc va hanh kem phat trien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang cao hoi. ((hieu van) OR (hieu va)) lam xuc va hanh kem phat trien".
• Adding a wildcard symbol may retrieve word variants: te sach y nang cao hoi. ((hieu van) OR (hieu va)) lam xuc va hanh kem phat trien*.