Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » canh tranh, hanh trinh, hanh trang
thang long » thanh cong
tranh cua » doanh cua, manh cua
nhung bo » nhung bi, nhung bai, nhung don
van tuan » van ban, anh tuan
van quan » van 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 chieu sach - hanh tranh cua ((nhung bo) or (thang long)) ((van tuan) OR (van quan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - hanh tranh cua ((nhung bo) OR (thang long)) ((van tuan) OR (van quan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - hanh tranh cua ((nhung bo) or (thang long)) ((van tuan) OR (van quan)) cao".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - hanh tranh cua ((nhung bo) or (thang long)) ((van tuan) OR (van quan)) cao*.