Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
dan chinh » dang chinh, lan chinh, ban chinh
van chinh » va chinh, lan chinh, van thinh
ho chieu » hoc thieu, doi chieu, mot chieu

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 (theo chieu)) sach - canh tranh cua nhung cong ((dan chinh) OR (van chinh)) chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sach - canh tranh cua nhung cong ((dan chinh) OR (van chinh)) chau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) sach - canh tranh cua nhung cong ((dan chinh) OR (van chinh)) chau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) sach - canh tranh cua nhung cong ((dan chinh) OR (van chinh)) chau*.