Perhaps you should try some spelling variations:
doanh thuong » doan phuong, anh thuong, dinh thuong
doanh khong » doanh khoa, doanh chung, doanh nhung
thu cach » thuc cach, thu canh, tu cach
cach hoc » cach thuc, cach thoi, dich hoc
cuu hang » cuu khang, cuu nang, cua hang
hang hoa » hang khoa, thanh hoa, hang va
thuoc xa » thuoc ma, thuoc va, thuoc la
cua phan » cua nhan, cua phap, cua han
phan van » pham van, thanh van, luan van
hoi cua » hoi chuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu cach hoc tap, nghien cuu hang hoa ((doanh khong) or (doanh thuong)) thuoc xa hoi cua phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu cach hoc tap, nghien cuu hang hoa ((doanh khong) OR (doanh thuong)) thuoc xa hoi cua phan van.
• Adding a wildcard symbol may retrieve word variants: thu cach hoc tap, nghien cuu hang hoa ((doanh khong) or (doanh thuong)) thuoc xa hoi cua phan van*.