Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
duong cong » dung cong, luong cong, duong trong
hoc thieu » toc thieu, hoc hien
cua duong » cua dong, cua huong, qua duong
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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 - anh tang cua duong cong dan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu khang - anh tang cua duong cong dan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu khang - anh tang cua duong cong dan ((toan cau) or (toan ban))*.