Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
theo chiet » theo chieu, thep thiet
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
dan toan » van toan, dan than, manh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chiet tach - hanh trinh cua nhung phuong ((dan toan) or (tinh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chiet tach - hanh trinh cua nhung phuong ((dan toan) OR (tinh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: theo chiet tach - hanh trinh cua nhung phuong ((dan toan) or (tinh toan)) cau*.