Perhaps you should try some spelling variations:
chuong trinh » cong trinh
khuong tinh » phuong trinh, phuong binh, khun tinh
trinh cac » trinh cau, trinh chat, trinh chao
trinh cay » trinh cau, trinh may, trinh bay
hoi viet » hai viet, oi viet, thai viet
soi viet » so viet, oi viet, doi viet
lanh van » lang van, anh van, lanh va
tinh cao » tinh lao, tinh chat, tinh cach
cay lanh » cao lan, cay lam, cay dan
loi viet » loai viet, oi viet, doi viet
cap cot » cac cot
chat co » thuat co, chat cua, chat deo
cac van » cac dan
cao tan » cao tang, cao tai, cao van
cot soi » cot loi, cong soi
van cao » van dao, van bao, van hao
van cac » van hac, van bac, dan cac
van cau » van dau, van hau, van chat
cay co » cac co, tay co, cay cong
van va » van vat, van van, ban va
va cao » va cac, va co, va dao
co hoi » co hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( khuong tinh cao tan ((van cac) or (van cau)) cay co hoi viet nam ) or ((( chuong trinh cay lanh van cao cap cot soi viet nam ) or ( chuong trinh cac van va cao chat co loi viet nam ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( khuong tinh cao tan ((van cac) OR (van cau)) cay co hoi viet nam ) OR ((( chuong trinh cay lanh van cao cap cot soi viet nam ) OR ( chuong trinh cac van va cao chat co loi viet nam )))).
• Adding a wildcard symbol may retrieve word variants: (( khuong tinh cao tan ((van cac) or (van cau)) cay co hoi viet nam ) or ((( chuong trinh cay lanh van cao cap cot soi viet nam ) or ( chuong trinh cac van va cao chat co loi viet nam ))))*.