Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cuong tap » luong tap, cong tac, cong tan
luong tai » dung tai, luong va
ho chieu » theo chieu, hoc thieu, doi chieu
mang cua » manh cua, dung cua, cong cua
quan cau » quang cao, toan cau, quan ha
ban cua » ban quan

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