Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
dung cong » dung trong
chu xanh » chu manh, chieu xanh, chua xang
mang cua » dung cua, ban cua, cong cua
manh cua » doanh cua, ban cua
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) or (chieu sach)) - hanh ((mang cua) or (manh cua)) dung cong tan tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu xanh) OR (chieu sach)) - hanh ((mang cua) OR (manh cua)) dung cong tan tran cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chieu sach)) - hanh ((mang cua) or (manh cua)) dung cong tan tran cau*.