Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh cao » trinh chao, trinh cau, tinh cao
trinh co » trinh do, trinh cong, trinh hoa
lanh dan » lanh dao, canh dan, lan dan
trinh tu » trinh ky, trinh do
hai viet » thai viet, mai viet, tai viet
cao danh » cao dang, cao anh, cau danh
hoi viet » thai viet, cuoi viet, gioi viet
cac mau » cam mau, sach mau
cac cay » cac cam, cac cap, tac cay
cua cay » cua cac
oi viet » o viet, cuoi viet, gioi viet
cac cau » bac cau, ca cau, cac cam
tu lanh » tu hanh, tu lenh, tu manh
danh va » doanh va, hanh va, anh va
cay cot » cay co, cay coc, cac cot
cot hai » co hai, cot hat, cong hai
ca cay » ca cac, ca cao, va cay
co lan » cao lan, co ban, co dan
lan va » luan va, lanh va, lan van
co cay » cho cay, co cau, co may
va co » vo co

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 co lan va ((cac cay) or (((cac cau) OR (cac mau)))) cot s((oi viet) or (hoi viet)) nam ) or ( chuong trinh cao danh va co cay cot hai viet nam ))) or ( chuong trinh tu lanh dan ((ca cay) or (cua cay)) co ((oi viet) or (hoi viet)) nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( chuong trinh co lan va ((cac cay) OR (((cac cau) OR (cac mau)))) cot s((oi viet) OR (hoi viet)) nam ) OR ( chuong trinh cao danh va co cay cot hai viet nam ))) OR ( chuong trinh tu lanh dan ((ca cay) OR (cua cay)) co ((oi viet) OR (hoi viet)) nam ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( chuong trinh co lan va ((cac cay) or (((cac cau) OR (cac mau)))) cot s((oi viet) or (hoi viet)) nam ) or ( chuong trinh cao danh va co cay cot hai viet nam ))) or ( chuong trinh tu lanh dan ((ca cay) or (cua cay)) co ((oi viet) or (hoi viet)) nam ))*".