Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
danh nhan » doanh nhan, thanh nhan, benh nhan
thu sach » tu sach, thuat sach, thuoc sach
sach hoc » cach hoc, sach hoi, mach hoc
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
khoa hoc » hoa hoc
nhan van » nhan dan, nhan va, phan van
xua hai » qua hai, cua hai, xuan thai
xa hai » xa thai, xa hoi, xa dai

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach hoc tap, nghien cuu dong hoc nganh khoa hoc ((xa hai) OR (xua hai)) danh nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach hoc tap, nghien cuu dong hoc nganh khoa hoc ((xa hai) OR (xua hai)) danh nhan van".
• Adding a wildcard symbol may retrieve word variants: thu sach hoc tap, nghien cuu dong hoc nganh khoa hoc ((xa hai) OR (xua hai)) danh nhan van*.