Perhaps you should try some spelling variations:
chuong trinh » cong trinh
trinh dao » trinh do, trinh da, trinh dan
caci nang » cam nang, cach mang, cac dang
trinh cao » trinh chao, trinh co, trinh cau
cao nang » cao dang, cam nang, cao tang
tai khoa » da khoa
loi viet » loai viet, hoi viet, oi viet
cay cong » cac cong, cao cong, cau cong
noi khoa » ngoai khoa, hoc khoa
van han » van hanh, van phan, van nhan
cao ban » cao bang, co ban, can ban
cac co » cac cong
van ha » van hoa, van chat, van hanh

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 cao ban va cac ((cay cong) or (cac co)) loi viet nam ) or ( chuong trinh dao ((van ha) or (van han)) ((caci nang) OR (cao nang)) ((noi khoa) or (tai khoa)) viet nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( chuong trinh cao ban va cac ((cay cong) OR (cac co)) loi viet nam ) OR ( chuong trinh dao ((van ha) OR (van han)) ((caci nang) OR (cao nang)) ((noi khoa) OR (tai khoa)) viet nam ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( chuong trinh cao ban va cac ((cay cong) or (cac co)) loi viet nam ) or ( chuong trinh dao ((van ha) or (van han)) ((caci nang) OR (cao nang)) ((noi khoa) or (tai khoa)) viet nam ))*".