Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
trinh toan » tinh toan, thanh toan, trinh han
trang cua » tranh cua, tang cua, thang cua
trung cua » truong cua, trung tuan, trung cap
dang cong » dung cong
toan ban » van ban

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

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