Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
trang cua » tranh cua, trung cua, thang cua
trinh ban » trinh han, trinh san, trinh dan
tang cua » mang cua, hang cua, tang luan
ban cau » bang cau, ban can, van cau

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

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