Perhaps you should try some spelling variations:
nganh chung » nhanh chuong, nganh cong, nhanh chong
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
thanh hoa » thanh pho
ban thanh » ban hanh, ban hang
chung hoc » trung hoc, dung hoc, hung hoa
hoc nganh » hoc nhanh
cong hoc » dong hoc, cong hoa, cong coc
hoi tai » hoc tai, hoi trac
hoi tap » hoi dap, hoc tap, hai tap
te sach » toc sach
hoc xa » hoc ma
do ban » doi ban, co ban, do ben
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 ban thanh hoa~.
• 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 ban thanh hoa.
• Adding a wildcard symbol may retrieve word variants: te sach ((hoi tap) or (hoi tai)), nghien thu cong hoc nganh chung hoc xa do ban thanh hoa*.