Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
cach thoi » cac thoi, cach thuc, cach noi
hoc nganh » hoc nhanh
thu cach » thuc cach, thu canh, tu cach
thoi tai » thoi dai, hoi tai, phoi tai
khoa hoc » hoa hoc
nhan tai » hang tai, van tai
toan tai » toan tap, doanh tai, toan ban
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoc xa » hoc ma
hoi ca » hoi cua, hoi cac, hoi cau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thu cach thoi tai, nghien cuu mon hoc nganh khoa hoc xa hoi ca ((nhan tai) OR (toan tai))~.
• Adding a wildcard symbol may retrieve word variants: thu cach thoi tai, nghien cuu mon hoc nganh khoa hoc xa hoi ca ((nhan tai) or (toan tai))*.