Perhaps you should try some spelling variations:
truong trong » truong trung, thuong trong, trung trong
trung thanh » truong thanh
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung tam, tran tuan, truong thanh
cac hanh » cac thanh, cac banh, cac hinh
hanh cau » nhanh cau, hang cau, hanh cac

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 sach - hanh ((trung tuan) OR (trung thanh)) truong trong cac hanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - hanh ((trung tuan) OR (trung thanh)) truong trong cac hanh cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh ((trung tuan) OR (trung thanh)) truong trong cac hanh cau*.