Perhaps you should try some spelling variations:
sang tao » hang tai
hieu van » hieu va, thien van, lieu va
van hanh » van thanh, ban hanh, van anh
hanh dao » lanh dao, thanh dat, thanh dam
te sach » toc sach
sang ma » tang ma, nang ma, mang may
van cam » van nam, van lam, van cau
xuc van » duc van, luc van, vuc van
dao cua » dai cua, day cua, dan cua
cua tre » cua te, cuu tre, cua triet

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach _ ((sang ma) OR (sang tao)) hoi. hieu van cam xuc van hanh dao cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach _ ((sang ma) OR (sang tao)) hoi. hieu van cam xuc van hanh dao cua tre*.