Perhaps you should try some spelling variations:
khong thuong » thong thuong, hang thuong, cong thuong
nganh khong » nganh cong, nhanh chong, nganh nong
hoc nganh » hoc nhanh
thuong xa » thuong va, thuong ma, huong xa
so sach » so sanh, bo sach, co sach
hoi tap » hoi dap, hoc tap, hai tap
hoi tai » hoc tai, hoi trac
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao

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

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