Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hanh trang » thanh trung, canh tranh, hanh trinh
hoc thieu » toc thieu, hoc hien
trang cua » tranh cua, tang cua, trung cua
cua dong » chua dong, cua cong, cua dang
cong dan » cong san, cong tan, cong dong
than cao » toan cao, than cap, than sao
thai cao » tai cao, thoai cac, thuat cao

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 - hanh trang cua dong ((cong dan) or (huong dan)) ((than cao) or (thai cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh trang cua dong ((cong dan) OR (huong dan)) ((than cao) OR (thai cao)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh trang cua dong ((cong dan) or (huong dan)) ((than cao) or (thai cao))*.