Perhaps you should try some spelling variations:
khong thuoc » khang thuoc, hong phuoc, khoa thuoc
dong thuoc » dung thuoc, dang thuoc, don thuoc
hoc nganh » hoc nhanh
thu mach » thu sach, thuat mach, thu hoach
mach hoc » cach hoc, dich hoc, anh hoc
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
nhan va » nhan tai, nhan dan, nhan tao
hoi ca » hoi cua, hoi cac, hoi cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu mach hoc tap, nghien cuu mon hoc nganh ((khong thuoc) OR (dong thuoc)) xa hoi ca nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu mach hoc tap, nghien cuu mon hoc nganh ((khong thuoc) OR (dong thuoc)) xa hoi ca nhan va".
• Adding a wildcard symbol may retrieve word variants: thu mach hoc tap, nghien cuu mon hoc nganh ((khong thuoc) OR (dong thuoc)) xa hoi ca nhan va*.