Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
quan trong » gian trong
trinh toan » tinh toan, thanh toan, trinh han
doc chieu » doc hieu, doi chieu, toc thieu
tung quan » tuong quan, trung quan, dung quan
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: doc chieu xanh - thanh tung quan trong cong trinh toan tap~.
• Adding a wildcard symbol may retrieve word variants: doc chieu xanh - thanh tung quan trong cong trinh toan tap*.