Perhaps you should try some spelling variations:
nganh chung » nhanh chuong, nganh cong, nhanh chong
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
thanh toan » thanh hoa, thanh san, tinh toan
hoc nganh » hoc nhanh
chung hoc » trung hoc, dung hoc, hung hoa
ben thanh » bien thanh, ban thanh, den thanh
cong hoc » dong hoc, cong hoa, cong coc
te sach » toc sach
hoi tap » hoi dap, hoc tap, hai tap
hoi tai » hoc tai, hoi trac
hoc xa » hoc ma
xa do » va do

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((hoi tap) or (hoi tai)), nghien thu cong hoc nganh chung hoc xa do ben thanh toan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((hoi tap) OR (hoi tai)), nghien thu cong hoc nganh chung hoc xa do ben thanh toan.
• Adding a wildcard symbol may retrieve word variants: te sach ((hoi tap) or (hoi tai)), nghien thu cong hoc nganh chung hoc xa do ben thanh toan*.