Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
hang dung » hoang dung, dang dung, hang cung
cua thong » cua thuong, cua tong, suat thong
cua khong » hua khong, cua phuong, cua thuong
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (chieu tinh)) - hang dung ((cua thong) OR (cua khong)) cong tan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu tinh)) - hang dung ((cua thong) OR (cua khong)) cong tan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (chieu tinh)) - hang dung ((cua thong) OR (cua khong)) cong tan phan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu tinh)) - hang dung ((cua thong) OR (cua khong)) cong tan phan cau*.