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

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