Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
ngung cong » nhung cong, dung cong, nganh cong
doi chieu » doc hieu, doi chi, ho chieu
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
cong tan » cong tac, cong san, cong thanh
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau
chat » nhat, phat

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - hanh tinh chat ngung cong tan ((phan cac) OR (phan dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - hanh tinh chat ngung cong tan ((phan cac) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - hanh tinh chat ngung cong tan ((phan cac) OR (phan dau))*.