Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
thi minh » chi minh, thi hanh, thi bich
minh hoc » sinh hoc, hinh hoc, tinh hoc
cuu toan » cuu hoan, cua toan, huu toan
toan hoc » toan khoa, van hoc, tin hoc
van nhan » van phan, van thanh, danh nhan
nhan dan » phan dau, gian dan, nhan tai
hoi van » hoi va, hoi dan, hai van

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

• Performing a fuzzy search may retrieve terms with similar spellings: thi minh hoc tap, nghien cuu toan hoc nganh ((khoa hoc) OR (hoa hoc)) xa hoi van nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thi minh hoc tap, nghien cuu toan hoc nganh ((khoa hoc) OR (hoa hoc)) xa hoi van nhan dan".
• Adding a wildcard symbol may retrieve word variants: thi minh hoc tap, nghien cuu toan hoc nganh ((khoa hoc) OR (hoa hoc)) xa hoi van nhan dan*.