Perhaps you should try some spelling variations:
nganh chung » nhanh chuong, nganh cong, nhanh chong
cach thoi » cac thoi, cach thuc, cach noi
chung hoc » trung hoc, dung hoc, hung hoa
thoi tap » toi tap, hoc tap, thoi dai
cong coc » cong cuoc, cong co, cong uoc
cong cac » cuong cac, cong tac, cong cau
van nhan » van phan, van thanh, danh nhan
tu cach » tu cac
hoa van » hoa dan, hoang van, hoa phan
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 ((cong coc) OR (cong cac)) nganh chung hoc ma hoa van nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach thoi tap, nghien cuu ((cong coc) OR (cong cac)) nganh chung hoc ma hoa van nhan va".
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien cuu ((cong coc) OR (cong cac)) nganh chung hoc ma hoa van nhan va*.