Perhaps you should try some spelling variations:
nganh chung » nhanh chuong, nganh cong, nhanh chong
nghien cua » nghien cuu, nghiep cua, nghiep vua
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
chung hoc » trung hoc, dung hoc, hung hoa
thoi tap » toi tap, hoc tap, thoi dai
cong hoc » dong hoc, cong hoa, cong coc
tu cach » tu cac
hoi van » hoi va, hai van, hoi han
hoi dan » hoa dan, hoc dan, hoi dap
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 cua cong hoc nganh chung hoc ma ((hoi van) or (hoi dan)) nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tap, nghien cua cong hoc nganh chung hoc ma ((hoi van) OR (hoi dan)) nhan va.
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien cua cong hoc nganh chung hoc ma ((hoi van) or (hoi dan)) nhan va*.