Perhaps you should try some spelling variations:
nganh chung » nhanh chuong, nganh cong, nhanh chong
nghiem thuc » nghiem thuoc, nghiep thuc, nhiem thuc
thuc cong » thuoc cong, thu cong, chuc cong
hoc nganh » hoc nhanh
chung hoc » trung hoc, dung hoc, hung hoa
cach hoc » cach thuc, cach thoi, dich hoc
cong hoc » dong hoc, cong hoa, cong coc
hoa danh » hoa doanh, hoa dan, hop danh
nhan tao » nhan tai, nhan dan
tu cach » tu cac
hoc dai » hoc dan
nhan va » nhan tai, nhan dan, phan van

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 hoc dai, nghiem thuc cong hoc nganh chung hoc ma hoa danh ((nhan va) or (nhan tao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc dai, nghiem thuc cong hoc nganh chung hoc ma hoa danh ((nhan va) OR (nhan tao)).
• Adding a wildcard symbol may retrieve word variants: tu cach hoc dai, nghiem thuc cong hoc nganh chung hoc ma hoa danh ((nhan va) or (nhan tao))*.