Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
cua trong » cua truong, cua trung, qua trong
hanh ban » thanh ban, hang ban, hanh san
cong san » cong tac
tran cao » tran chau, trang cho, tranh cac
toan cao » toan ban, toan tap
ban cua » ban quan

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 xanh) OR (chieu sang)) - hanh ban cua trong cong san ((tran cao) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sang)) - hanh ban cua trong cong san ((tran cao) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) OR (chieu sang)) - hanh ban cua trong cong san ((tran cao) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) OR (chieu sang)) - hanh ban cua trong cong san ((tran cao) or (toan cao))*.