Perhaps you should try some spelling variations:
chiet tach » chieu sach
thong cong » trong cong, tong cong, thong thong
tranh van » tran van, trinh van, thanh van
van thong » van thuong, van phong, va thong
cong doan » cong dan, cong hoan, dong doanh
ho chiet » ho chieu, ho thiet, hoc thiet
phan cau » phan cac, phan lap, toan cau
phan dau » hang dau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh tranh van thong cong doan ((phan cau) OR (((phan dau) OR (phan tu))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - canh tranh van thong cong doan ((phan cau) or (((phan dau) OR (phan tu))))~".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh tranh van thong cong doan ((phan cau) or (((phan dau) OR (phan tu))))*.