Perhaps you should try some spelling variations:
hoc nhanh » hoc phan
va hanh » van hanh, va thanh, va danh
truc va » thuc va, thuc vat, trung va
cua tre » cua te, cuu tre, cua triet
nang ha » nang hai, nang han, nang hoa
ve cac » va cac, vien cac
ha hoi » hoa hoi, ha noi, xa hoi
vi cua » vai cua, di cua
va cam » va cham, va cac, va cao

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) or (hoc nhanh)) ky nang ha hoi. hieu ((va cam) or (ve cac)) truc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc nganh) OR (hoc nhanh)) ky nang ha hoi. hieu ((va cam) OR (ve cac)) truc va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((hoc nganh) or (hoc nhanh)) ky nang ha hoi. hieu ((va cam) or (ve cac)) truc va hanh vi cua tre*.