Perhaps you should try some spelling variations:
phuong trinh » cong trinh, huong tran, phuong anh
chuong trinh » cong trinh
thuong tinh » khuong tinh, thuong binh, truong tinh
trinh cong » trinh dung
trinh cao » trinh chao, trinh cau, trinh cho
tinh cao » tinh lao, tinh chat, tinh cach
hai viet » thai viet, mai viet, tai viet
trinh co » trinh do, trinh hoa, trinh ky
thi viet » thi lien
cong thi » cong thai, cong khi, dong thi
cac cong » cua cong
cong lan » cong luan, cong lang, cong san
tac viet » bac viet, toc viet, tuc viet
cong tac » cong ty
tay cong » cay cong, may cong, tay dong
cao tang » cao dang
luan va » luan van, luat va
cua tay » cua tam, cua tap, cua ta
tang va » trang va, tang van, thang va
lan cho » san cho, van cho, han cho
cho cua » co cua, chi cua, cho ca
co hai » co dai, co hoi, o hai
lan va » lanh va, lan van, lang va
cay co » cac co, tay co, cay cong
va cua » va chua, via cua, ca cua
co lan » cao lan, co ban, co dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((( thuong tinh cao tang va cua tay cong tac viet nam ) or ( phuong trinh cao ((lan va) OR (luan va)) cua cac cong thi viet nam ))) or ((( chuong trinh co lan cho cua cay co hai viet nam ) or ( chuong trinh cong lan cho cua cay co hai viet nam ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( thuong tinh cao tang va cua tay cong tac viet nam ) OR ( phuong trinh cao ((lan va) OR (luan va)) cua cac cong thi viet nam ))) OR ((( chuong trinh co lan cho cua cay co hai viet nam ) OR ( chuong trinh cong lan cho cua cay co hai viet nam ))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( thuong tinh cao tang va cua tay cong tac viet nam ) or ( phuong trinh cao ((lan va) OR (luan va)) cua cac cong thi viet nam ))) or ((( chuong trinh co lan cho cua cay co hai viet nam ) or ( chuong trinh cong lan cho cua cay co hai viet nam ))))*".