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
cua dang » cua ban
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, tra cau
ran cau » van cau, ban cau, can 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 - hanh trang ((cua dang) or (cua cong)) cong tan ((tran cau) or (ran cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - hanh trang ((cua dang) OR (cua cong)) cong tan ((tran cau) OR (ran cau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - hanh trang ((cua dang) or (cua cong)) cong tan ((tran cau) or (ran cau))*.