Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
luong tai » dung tai
ho chieu » theo chieu, hoc thieu, doi chieu
luong va » dung va
cong tan » cong tac, cong san, cong thanh
doan cau » toan cau, doan dau, doan cap

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