Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sach » chinh sach, chiet tach, chieu sang
nam thong » nam trong, nam phong, nam phuong
nam thang » nam thanh, nam trong, nam trung
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

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