Perhaps you should try some spelling variations:
nhanh khoa » nhan khoa, nganh khoa, hang khoa
hoc nhanh » hoc nganh, hoc phan
thu tinh » thue tinh, thuy tinh, thuc tinh
tinh hoc » sinh hoc, tin hoc, hinh hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
khoa hoc » hoa hoc
hai tran » thai tran, ha tran, hai trac
hoc xua » hoc cua, hoc xa, hoc lua
hai tan » hai van, hai quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu tinh hoc tap, nghien cuu cong hoc nhanh khoa hoc xua ((hai tran) OR (hai tan)) thanh san~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu tinh hoc tap, nghien cuu cong hoc nhanh khoa hoc xua ((hai tran) OR (hai tan)) thanh san".
• Adding a wildcard symbol may retrieve word variants: thu tinh hoc tap, nghien cuu cong hoc nhanh khoa hoc xua ((hai tran) OR (hai tan)) thanh san*.