Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
cam trung » cam truong, nam trung, cac trung
nganh ky » nganh y, nganh xay, hanh ky
trung va » truong va, trang va, trung ha
ky lang » ky nang, ky dang, ky tang
hoa hoi » khoa hoi, hoa hoc, hoa doi
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
ha hoi » ha noi, xa hoi, va hoi
va cam » va cham, va cac, va cao
vi cuu » vi luu, vinh cuu

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