Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
trung cap » truong cao, trung tam
trung ha » trung hoc, trung tam
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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 ha) OR (trung cap)) thong cong dan chan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - hanh ((trung ha) OR (trung cap)) thong cong dan chan cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh ((trung ha) OR (trung cap)) thong cong dan chan cau*.