Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
canh manh » lanh manh, canh tranh, cach mang
manh cua » doanh cua, ban cua
van cong » van dong, van phong, phan cong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
cua van » cua ban, cua vat, cua dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chiet tach) OR (chieu sach)) - canh manh cua van cong tan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chiet tach) OR (chieu sach)) - canh manh cua van cong tan toan cau*".