Perhaps you should try some spelling variations:
nghiem thuoc » nghiem duoc, nghiem hoa, nghi thuc
nganh khong » nganh cong, nhanh chong, nganh nong
thuoc cong » truoc cong, thuoc trong, thu cong
thanh nhan » thanh phan, thanh san, thanh toan
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
sach hoi » sach doi, sach moi, cach thoi
cong hoc » dong hoc, cong hoa, cong coc
su sach » so sach, vu sach
hoi van » hoi va, hoi dan, hai van
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach hoi dap, nghiem thuoc cong hoc nganh khong hoc xa hoi van ((thanh nhan) or (thanh pho))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach hoi dap, nghiem thuoc cong hoc nganh khong hoc xa hoi van ((thanh nhan) OR (thanh pho)).
• Adding a wildcard symbol may retrieve word variants: su sach hoi dap, nghiem thuoc cong hoc nganh khong hoc xa hoi van ((thanh nhan) or (thanh pho))*.