Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
canh doanh » hanh doanh, chinh doanh, doanh doanh
kinh sach » sinh sach, dinh sach, tinh sach
hang cong » dang cong, hang nong, bang cong
hoc kinh » hoc sinh, luoc kinh
doanh va » doan va, doanh tai, doanh cua
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc kinh sach - canh doanh va ((thong cong) or (hang cong)) van ((toan cao) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc kinh sach - canh doanh va ((thong cong) OR (hang cong)) van ((toan cao) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: hoc kinh sach - canh doanh va ((thong cong) or (hang cong)) van ((toan cao) or (van ban))*.