Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
cach thoi » cac thoi, cach thuc, cach noi
hang hoc » hang hoa, bang hoc, mang hoc
thoi tap » toi tap, hoc tap, thoi dai
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
van nhan » van phan, van thanh, danh nhan
nang hoc » nang doc, nang luc, hang hoa
mai hoi » mai khoi, dai hoi, lai hoi
hoi van » hoi va, hoi dan, hai van
tu cach » tu cac
nhan va » nhan tai, nhan dan, nhan tao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach thoi tap, nghien cuu dong hoc nganh ((hang hoc) OR (nang hoc)) mai hoi van nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach thoi tap, nghien cuu dong hoc nganh ((hang hoc) OR (nang hoc)) mai hoi van nhan va".
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien cuu dong hoc nganh ((hang hoc) OR (nang hoc)) mai hoi van nhan va*.