Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
chieu sang » chieu sach, chieu xanh, hieu lang
tranh cua » doanh cua, manh cua
dung cong » dung trong
thuat cao » thuat co, thuat bao, thuat cam
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
than cao » toan cao, thai cao, than cap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - canh tranh cua dung cong thanh ((than cao) or (thuat cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - canh tranh cua dung cong thanh ((than cao) OR (thuat cao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - canh tranh cua dung cong thanh ((than cao) or (thuat cao))*.