Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
khong thuoc » khang thuoc, hong phuoc, dong thuoc
hoc nganh » hoc nhanh
cac thoi » cac toi, cac hop, cac tro
thoi tap » toi tap, hoc tap, thoi dai
thuoc xa » thuoc ma, thuoc va, thuoc la
nhan tai » hang tai, van tai, toan tai
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoi van » hoi va, hoi dan, hai van
nhan va » nhan dan, nhan tao, phan van

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

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