Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, canh tranh, minh trang
hanh trinh » canh tranh, hanh chinh
trinh toan » tinh toan, thanh toan, trinh han
toc chieu » toc thieu, doc hieu, hoc thieu
cua trong » cua truong, cua trung, qua trong
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: toc chieu xanh - ((hanh trang) or (hanh trinh)) cua trong cong trinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu xanh - ((hanh trang) OR (hanh trinh)) cua trong cong trinh toan tap*.