Perhaps you should try some spelling variations:
mai khoi » mai khoa, cac khoi, dai khoa
tai khoa » da khoa, noi khoa
hieu van » hieu va, thien van, lieu va
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
van lam » van nam
lam duc » lam duoc, pham duc, nam duoc
cua tre » cua te, cuu tre, cua triet
san ky » sang ky, van ky, dan ky
vi cua » vai cua, di cua
phi » phai

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

• Performing a fuzzy search may retrieve terms with similar spellings: phi san ky nang ((mai khoi) OR (tai khoa)). hieu van lam duc va thanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "phi san ky nang ((mai khoi) OR (tai khoa)). hieu van lam duc va thanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: phi san ky nang ((mai khoi) OR (tai khoa)). hieu van lam duc va thanh vi cua tre*.