Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
cach thoi » cac thoi, cach thuc, cach noi
thu cach » thuc cach, thu canh, tu cach
van nhan » van phan, van thanh, danh nhan
khoa hoc » hoa hoc
thoi dap » hoi dap, thoi dai, thi dap
nhan dan » phan dau, gian dan, nhan tai
mon hoc » toan hoc, dong hoc
cuu mon » cuu mo, cuu mot, cuu cong
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 cach thoi dap, nghien cuu mon hoc nganh khoa hoc ((xa hai) OR (xua hai)) van nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu cach thoi dap, nghien cuu mon hoc nganh khoa hoc ((xa hai) OR (xua hai)) van nhan dan".
• Adding a wildcard symbol may retrieve word variants: thu cach thoi dap, nghien cuu mon hoc nganh khoa hoc ((xa hai) OR (xua hai)) van nhan dan*.