Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
cua thuong » cua truong, cua phuong, ca thuong
doi chieu » doc hieu, doi chi, mot chieu
hanh manh » hanh mang, lanh manh, hoang manh
ho chieu » theo chieu, hoc thieu, mot chieu
manh cua » doanh cua, ban cua
cong tap » cuong tap, cong tac, cong tan
quan cap » quan cau, quang cao, quan phap
quan lap » quan luan, quang lam, quan lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (doi chieu)) sach - hanh manh cua thuong cong tap ((quan cap) or (quan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - hanh manh cua thuong cong tap ((quan cap) OR (quan lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) sach - hanh manh cua thuong cong tap ((quan cap) or (quan lap))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) sach - hanh manh cua thuong cong tap ((quan cap) or (quan lap))*.