Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
tuong tham » luong tham, tuong tac, trong thai
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
tung tham » tung pham, cung tham, luong tham
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: hoc thieu sang - thanh ((tung tham) OR (tuong tham)) nhung cong dan chan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - thanh ((tung tham) OR (tuong tham)) nhung cong dan chan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh ((tung tham) OR (tuong tham)) nhung cong dan chan cau*.