Perhaps you should try some spelling variations:
chuong trinh » cong trinh
sinh cua » manh cua, dinh cuu
tinh cua » trinh cua, tinh chat, tranh cua
soi viet » so viet, hoi viet, oi viet
cau dan » cau danh, ca dan, cu dan
sinh va » sinh vat, tinh va, dinh van
cac cay » ca cay, cac cam, cac cap
co soi » cot soi, co so, co hoi
cay co » cac co, tay co, cay cong
dan va » doan va, dan ca, ban va

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( chuong trinh ((cau dan) or (cac dan)) va cac cay co soi viet nam ) or ( chuong ((tinh cua) or (((sinh cua) OR (sinh va)))) dan va cac cay co soi viet nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh ((cau dan) OR (cac dan)) va cac cay co soi viet nam ) OR ( chuong ((tinh cua) OR (((sinh cua) OR (sinh va)))) dan va cac cay co soi viet nam ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( chuong trinh ((cau dan) or (cac dan)) va cac cay co soi viet nam ) or ( chuong ((tinh cua) or (((sinh cua) OR (sinh va)))) dan va cac cay co soi viet nam ))*".