Perhaps you should try some spelling variations:
tieu tinh » trieu tinh, tieu trinh, lieu tinh
lanh bang » anh bang, lanh sang, can bang
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
phan cau » phan dau, phan cac, phan tu
bang va » hang va, ban va, trang va
va tong » va thong, va tuong, va trong

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu tinh - lanh bang va tong ((cong dan) OR (cong san)) phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu tinh - lanh bang va tong ((cong dan) OR (cong san)) phan cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - lanh bang va tong ((cong dan) OR (cong san)) phan cau*.