Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
nhung tuong » nhung huong, nhung phuong, hung vuong
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
truong va » truong dai, truong cao, truong dao
manh toan » thanh toan, anh tuan, tinh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - hanh truong va nhung tuong ((xuan toan) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh truong va nhung tuong ((xuan toan) OR (manh toan)) cau*.