Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thien hach » thien thanh, hien hanh
nhung cong » thong cong, hang cong, nhung don
dung cong » dung trong
ban thanh » ban hanh, ban hang
thanh cau » thanh chau, thanh mau, nhanh cau
anh mang » hanh mang, anh bang, anh dang
mang cua » manh cua, dung cua, ban cua

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) or (thien hach)) - anh mang cua ((nhung cong) or (dung cong)) ban thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (thien hach)) - anh mang cua ((nhung cong) OR (dung cong)) ban thanh cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (thien hach)) - anh mang cua ((nhung cong) or (dung cong)) ban thanh cau*.