Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
toan tuan » tran tuan, toan quan, doan tuan
bang cong » dang cong, bang song, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - tinh toan tuan ((nhung cong) or (bang cong)) van ((than cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - tinh toan tuan ((nhung cong) OR (bang cong)) van ((than cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - tinh toan tuan ((nhung cong) or (bang cong)) van ((than cau) or (phan cau))*.