Perhaps you should try some spelling variations:
chiet tach » chieu sach
doi chiet » doi chieu, doi chi, doi viet
canh manh » lanh manh, canh tranh, cach mang
huong lan » phuong lan, thuong lan, huong tran
manh van » anh van, menh van, canh van
van dung » van dong, xay dung, tin dung
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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 - canh manh van dung ((huong lan) or (huong dan)) ((than cau) OR (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chiet tach - canh manh van dung ((huong lan) OR (huong dan)) ((than cau) OR (phan cau))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chiet tach - canh manh van dung ((huong lan) or (huong dan)) ((than cau) OR (phan cau))*".