Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
trinh toan » tinh toan, thanh toan, trinh han
trang cua » tranh cua, trung cua, thang cua
tang cua » mang cua, hang cua, tang luan
toan cao » toan ban, toan tap

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 - hanh ((trang cua) OR (tang cua)) nhung cong trinh toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu xanh - hanh ((trang cua) OR (tang cua)) nhung cong trinh toan cao".
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - hanh ((trang cua) OR (tang cua)) nhung cong trinh toan cao*.