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

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 han thong thong doan ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh trinh han thong thong doan ((phan cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh trinh han thong thong doan ((phan cau) or (phan cac))*.