Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
hoc nganh » hoc nhanh
sach doi » sach hoi, sach moi, sach dao
cong hoa » dong hoa, dong hoc, hang hoa
gian dan » gian lang
anh hoc » sinh hoc, benh hoc, hinh hoc
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va gian » va gianh, van gian, va giai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach doi) or (anh hoc)) tap, nghien cuu mon hoc nganh cong hoa xa hoi va gian dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach doi) OR (anh hoc)) tap, nghien cuu mon hoc nganh cong hoa xa hoi va gian dan.
• Adding a wildcard symbol may retrieve word variants: tu ((sach doi) or (anh hoc)) tap, nghien cuu mon hoc nganh cong hoa xa hoi va gian dan*.