Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
trang cua » tang cua, trung cua, thang cua
tranh cua » doanh cua, manh cua
dang cong » dung cong
cong tan » cong tac, cong san, cong thanh
than cao » thai cao, than cap, than sao
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: toc thieu sang - hanh ((trang cua) or (tranh cua)) dang cong tan ((than cao) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu sang - hanh ((trang cua) OR (tranh cua)) dang cong tan ((than cao) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu sang - hanh ((trang cua) or (tranh cua)) dang cong tan ((than cao) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: toc thieu sang - hanh ((trang cua) or (tranh cua)) dang cong tan ((than cao) OR (toan cao))*.