Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
tuong cong » truong cong, trong cong, tong cong
trinh vat » trinh van, sinh vat, trinh han
ban thanh » ban hanh, ban hang
thanh chu » thanh chau, thanh cha, thanh thu
ho chieu » theo chieu, hoc thieu, doi chieu
cong ban » cong bang, cong san, cong tan

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) OR (trinh luat)) tuong cong ban thanh chu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - canh ((trinh vat) OR (trinh luat)) tuong cong ban thanh chu".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - canh ((trinh vat) OR (trinh luat)) tuong cong ban thanh chu*.