Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung tong » nhung tuong, nhung cong, nhung bong
tong trinh » cong trinh, dong trinh, trang trinh
trinh toan » tinh toan, thanh toan, trinh han
trang va » tran van
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: theo chieu xanh - hanh ((trang va) or (hang va)) nhung tong trinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh ((trang va) OR (hang va)) nhung tong trinh toan ban.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh ((trang va) or (hang va)) nhung tong trinh toan ban*.