Perhaps you should try some spelling variations:
kho trung » khoa trung, khoi truong, cho truong
trung ha » trung hoc, trung tam, trung cap
sai kho » dai kho, tai khoa, dai khoa
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
xuc van » duc van, vuc van, xuc ban
luc van » luoc van, luu van, duc van
cua tre » cua te, cuu tre, cua triet
tu sai » tu bai, tu san, tu cai
ha hoi » hoa hoi, ha noi, xa hoi
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai kho trung ha hoi. hieu va chat ((xuc van) or (luc van)) hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai kho trung ha hoi. hieu va chat ((xuc van) OR (luc van)) hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sai kho trung ha hoi. hieu va chat ((xuc van) or (luc van)) hanh vi cua tre*.