Perhaps you should try some spelling variations:
nhiet nang » nhiet dong, viet nang, nhieu tang
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh toan » tinh toan, thanh toan, trinh han
hanh phan » thanh phan, anh phan, hanh nhan
dung cong » dung trong
hanh han » hanh nhan, hanh san, anh han
cua dung » cua dang, cua dong, qua dung
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: theo ((nhiet nang) or (chieu xanh)) - ((hanh han) OR (hanh phan)) cua dung cong trinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((nhiet nang) OR (chieu xanh)) - ((hanh han) OR (hanh phan)) cua dung cong trinh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((nhiet nang) or (chieu xanh)) - ((hanh han) OR (hanh phan)) cua dung cong trinh toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((nhiet nang) or (chieu xanh)) - ((hanh han) OR (hanh phan)) cua dung cong trinh toan cao*.