Perhaps you should try some spelling variations:
chiet tach » chieu sach
thanh toan » thanh hoa, tinh toan
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh mang » nhanh mang, hanh trang, nhanh lang
dang cong » dung cong
mang cua » manh cua, dung cua, ban cua
cua dang » cua cong, cua 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 ((hieu manh) or (chiet tach)) - hanh mang cua dang cong ((thanh toan) OR (thanh san)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (chiet tach)) - hanh mang cua dang cong ((thanh toan) OR (thanh san)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu manh) or (chiet tach)) - hanh mang cua dang cong ((thanh toan) OR (thanh san)) cau*".