Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
dung cong » dung trong
tran chau » tranh chap, tran huu
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap

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 tang) or (hanh mang)) cua dung cong tan ((toan cau) or (tran chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - ((hanh tang) OR (hanh mang)) cua dung cong tan ((toan cau) OR (tran chau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - ((hanh tang) or (hanh mang)) cua dung cong tan ((toan cau) or (tran chau))*.