Perhaps you should try some spelling variations:
khong thuoc » khang thuoc, hong phuoc, dong thuoc
hoc nhanh » hoc phan
mach hoc » cach hoc, dich hoc, anh hoc
thuoc va » thuc va, thuoc ma, thuong va
nhan van » nhan dan, nhan va, phan van
so mach » so sach, tao mach, kon mach
cuu mon » cuu mo, cuu mot, cuu cong
va hoi » xa hoi, va hoc, va hoa
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: so mach hoc tap, nghien cuu mon ((hoc nganh) OR (hoc nhanh)) khong thuoc va hoi ca nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so mach hoc tap, nghien cuu mon ((hoc nganh) OR (hoc nhanh)) khong thuoc va hoi ca nhan van".
• Adding a wildcard symbol may retrieve word variants: so mach hoc tap, nghien cuu mon ((hoc nganh) OR (hoc nhanh)) khong thuoc va hoi ca nhan van*.