Perhaps you should try some spelling variations:
doanh thuong » doan phuong, dinh thuong, dong thuong
nghien cua » nghien cuu, nghiep cua, nghiep vua
anh thuong » anh huong, hang thuong, tnhh thuong
cach thoi » cac thoi, cach thuc, cach noi
hoa doanh » toan doanh, hoa dan
toc cach » hoc cach, toc sach, truoc cach
thoi tap » toi tap, hoc tap, thoi dai
cong hoa » dong hoa, dong hoc, hang hoa
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: toc cach thoi tap, nghien cua cong hoa doanh ((doanh thuong) OR (anh thuong)) xa hoi va nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc cach thoi tap, nghien cua cong hoa doanh ((doanh thuong) OR (anh thuong)) xa hoi va nhan va".
• Adding a wildcard symbol may retrieve word variants: toc cach thoi tap, nghien cua cong hoa doanh ((doanh thuong) OR (anh thuong)) xa hoi va nhan va*.