Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung cong » dung cong, thong cong, nhung don
trinh toan » tinh toan, thanh toan, trinh han
hanh tang » hanh trang, anh tang, hanh mang
hang cong » dang cong, hang nong, bang cong
tang cua » mang cua, hang cua, tang luan
toan tap » toan 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 tinh)) - hanh tang cua ((nhung cong) OR (hang cong)) trinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu tinh)) - hanh tang cua ((nhung cong) OR (hang cong)) trinh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chieu tinh)) - hanh tang cua ((nhung cong) OR (hang cong)) trinh toan tap".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu tinh)) - hanh tang cua ((nhung cong) OR (hang cong)) trinh toan tap*.