Perhaps you should try some spelling variations:
nhung phuong » nhu phuong, truong phuong, bang phuong
dung phuong » dung thuong, bang phuong, dung chung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
tinh cua » trinh cua, sinh cua, tinh chat
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 tinh cua ((nhung phuong) or (dung phuong)) tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh tinh cua ((nhung phuong) OR (dung phuong)) tinh toan ban.
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh tinh cua ((nhung phuong) or (dung phuong)) tinh toan ban*.