Perhaps you should try some spelling variations:
chiet tach » chieu sach
canh trinh » hanh trinh, canh tinh, anh trinh
thong cong » trong cong, tong cong, thong thong
han thong » han thuong, hang thong, nhan thong
cong doan » cong dan, cong hoan, dong doanh
ho chiet » ho chieu, ho thiet, hoc thiet
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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

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