Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
nhung cong » dung cong, thong cong, hang cong
trinh toan » tinh toan, thanh toan, trinh han
thien anh » thien danh, tien anh, thien thanh
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) OR (thien anh)) - hanh ((trang cua) or (tang cua)) nhung cong trinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (thien anh)) - 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) OR (thien anh)) - hanh ((trang cua) or (tang cua)) nhung cong trinh toan cao".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu xanh) OR (thien anh)) - hanh ((trang cua) or (tang cua)) nhung cong trinh toan cao*.