Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
tran chau » tranh chap, tran huu
nang cua » mang cua, hang cua, tang cua
nang dua » nang du, nang suat, nang quan
cong tan » cong tac, cong san, cong thanh
tran cau » toan cau, ran cau, tra 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 - anh ((nang cua) or (nang dua)) dung cong tan ((tran cau) or (tran chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - anh ((nang cua) OR (nang dua)) dung cong tan ((tran cau) OR (tran chau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - anh ((nang cua) or (nang dua)) dung cong tan ((tran cau) or (tran chau))*.