Perhaps you should try some spelling variations:
nganh khung » nganh khong, nhanh hung
hoc nganh » hoc nhanh
khung hoc » chung hoc, nhung hoc, thuong hoc
hoa doanh » toan doanh, hoa dan
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
su sach » so sach
vu sach » vu bach, vu khach
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: ((su sach) OR (vu sach)) hoc tap, nghien cuu cong hoc nganh khung hoc ma hoa doanh nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (vu sach)) hoc tap, nghien cuu cong hoc nganh khung hoc ma hoa doanh nhan va".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (vu sach)) hoc tap, nghien cuu cong hoc nganh khung hoc ma hoa doanh nhan va*.