Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
chieu duong » dieu duong, chiu dong, chi duong
thanh trung » thanh tung
cap thuong » chap thuong, ca thuong, cao thuong
trung cap » truong cao, trung tam
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
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: hoc ((thieu khang) or (chieu duong)) - thanh trung cap thuong ((cong dan) OR (cong san)) chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu khang) OR (chieu duong)) - thanh trung cap thuong ((cong dan) OR (cong san)) chan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu khang) or (chieu duong)) - thanh trung cap thuong ((cong dan) OR (cong san)) chan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu khang) or (chieu duong)) - thanh trung cap thuong ((cong dan) OR (cong san)) chan cau*.