Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
canh trinh » canh tranh, hanh trinh, canh tinh
trinh vat » trinh van, trinh luat, sinh vat
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
vat dung » van dung, va dung, viet dung
cong san » cong tac
san chan » san chang, dan chan, san chay
chan cau » phan cau, can cau, chinh cau

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 trinh vat dung cong san chan cau~.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - canh trinh vat dung cong san chan cau*.