Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
van hanh » van thanh, ban hanh, van anh
lang van » dang van, tang van, hoang van
va thanh » gia thanh, ban thanh, le thanh
nganh ky » nganh y, nganh xay, hanh ky
hai cua » thai cua, dai cua, hoi cua
va tinh » may tinh
cao duc » dao duc, cao suc, giao duc
hieu va » lieu va, hieu qua
van hoe » van hoa, van hoc, van hieu
ky lang » ky nang, ky dang, ky tang
cua tre » cua te, cuu tre, cua triet
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: hoc nganh ky lang van hoe. hieu va cao duc ((van hanh) or (((va thanh) or (va tinh)))) hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc nganh ky lang van hoe. hieu va cao duc ((van hanh) OR (((va thanh) OR (va tinh)))) hai cua tre.
• Adding a wildcard symbol may retrieve word variants: hoc nganh ky lang van hoe. hieu va cao duc ((van hanh) or (((va thanh) or (va tinh)))) hai cua tre*.