Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
hanh trung » thanh trung, manh trung, danh trung
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
san than » sang than, san thanh, ban than
than cap » khan cap, thanh lap, thanh cac

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 (hoc hien)) sach - ((hanh trung) OR (hanh trang)) cua thong cong san than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc hien)) sach - ((hanh trung) OR (hanh trang)) cua thong cong san than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc hien)) sach - ((hanh trung) OR (hanh trang)) cua thong cong san than cap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc hien)) sach - ((hanh trung) OR (hanh trang)) cua thong cong san than cap*.