Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
hanh hoi » hanh thoi, hanh noi, hanh hoa
ky lang » ky nang, ky tang, tay lang
ky dang » ky nang, ky danh
van hoc » van hoa
hieu va » lieu va, hieu qua
cac duc » cac du, cao duc, cac dac
va hanh » van hanh, va thanh, va danh
hoi cua » hoi chuc
cua tre » cua te, cuu tre, cua triet

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) or (ky dang)) van hoc. hieu va cac duc va hanh hoi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc nganh ((ky lang) OR (ky dang)) van hoc. hieu va cac duc va hanh hoi cua tre.
• Adding a wildcard symbol may retrieve word variants: hoc nganh ((ky lang) or (ky dang)) van hoc. hieu va cac duc va hanh hoi cua tre*.