Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
cua truong » cua trung, xuan truong, cac truong
doi chieu » doc hieu, doi chi, ho chieu
hanh manh » hanh mang, lanh manh, hoang manh
tran chau » tranh chap, tran huu
manh cua » doanh cua, ban cua
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
tran cao » toan cao, trang cho, tranh cac

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 manh cua truong ((cong tan) OR (cong san)) ((tran cao) or (tran chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - hanh manh cua truong ((cong tan) OR (cong san)) ((tran cao) OR (tran chau))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - hanh manh cua truong ((cong tan) OR (cong san)) ((tran cao) or (tran chau))*".