Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
tranh cua » doanh cua
thanh ban » thanh san, thanh van, thanh bai
thanh bac » nhanh bac, thanh bai, thanh san
manh cua » doanh cua, ban cua
cong ban » cong bang, cong san, cong tan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - canh ((tranh cua) or (manh cua)) nhung cong ban ((thanh ban) OR (thanh bac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - canh ((tranh cua) OR (manh cua)) nhung cong ban ((thanh ban) OR (thanh bac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - canh ((tranh cua) or (manh cua)) nhung cong ban ((thanh ban) OR (thanh bac))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - canh ((tranh cua) or (manh cua)) nhung cong ban ((thanh ban) OR (thanh bac))*.