Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thanh tuong » thanh tung, thanh huong, thanh cuong
thieu xanh » chieu xanh, hieu manh, thien anh
dung cong » dung trong
trinh ran » trinh han, trinh san, trinh dan
cua dung » cua dang, cua dong, qua dung
ran cau » van cau, ban cau, can 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 - ((thanh tuong) OR (thanh thuong)) cua dung cong trinh ran cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu xanh - ((thanh tuong) OR (thanh thuong)) cua dung cong trinh ran cau".
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - ((thanh tuong) OR (thanh thuong)) cua dung cong trinh ran cau*.