Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
canh trinh » canh tranh, hanh trinh, canh tinh
trinh vat » trinh van, trinh luat, sinh vat
cong danh » cuong danh, cong thanh, cong khanh
vat hung » van hung, vat dung, vat vung
cong dan » cong san, cong tan, huong dan
phan lap » phan dau

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 - canh trinh vat hung ((cong dan) or (cong danh)) phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu sang - canh trinh vat hung ((cong dan) OR (cong danh)) phan lap*.