Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
chieu xanh » chieu sach, chieu sang, chieu tinh
cua thuong » cua truong, cua phuong, ca thuong
cong quang » luong quang, thong quang, duong quang
hieu manh » hieu nganh, dieu hanh, hien hanh
trang cua » tranh cua, tang cua, trung cua
cong vang » cong lang, cong ngang, cong san
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu manh) or (chieu xanh)) - hanh trang cua thuong ((cong vang) OR (cong quang)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu manh) OR (chieu xanh)) - hanh trang cua thuong ((cong vang) OR (cong quang)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu manh) or (chieu xanh)) - hanh trang cua thuong ((cong vang) OR (cong quang)) toan ban".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu manh) or (chieu xanh)) - hanh trang cua thuong ((cong vang) OR (cong quang)) toan ban*.