Perhaps you should try some spelling variations:
hoa phien » hoa hien, hoan thien, hoa phan
hoc phien » thuoc phien, hoc nghien, hoc thieu
phien nam » hien nay, vien nam, mien nam
tac vang » cac van, tac dung, tac dong
canh cac » hanh cac, canh giac, canh chau
phan ban » phan banh, phan van, phan ba
hoc phan » hoc dan, hoc pho
vang hoc » nang hoc, vung hoc, bang hoc
danh tac » danh bac, doanh tai, danh thuc
hien nam » hien nay, vien nam, mien nam
canh tac » canh tay, canh giac, cong tac
tac van » cac van, tac va, tac can
van hoc » van hoa
dan hoa » danh hoa, dan hoat, dan khoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((( danh tac van hoc hien nam ) or ( danh tac van hoc phien nam ))) or ((((( canh tac vang hoc phien ban ) OR ( canh tac vang hoc phan ban ))) or ( canh cac dan hoa phien ban ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( danh tac van hoc hien nam ) OR ( danh tac van hoc phien nam ))) OR ((((( canh tac vang hoc phien ban ) OR ( canh tac vang hoc phan ban ))) OR ( canh cac dan hoa phien ban )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( danh tac van hoc hien nam ) or ( danh tac van hoc phien nam ))) or ((((( canh tac vang hoc phien ban ) OR ( canh tac vang hoc phan ban ))) or ( canh cac dan hoa phien ban ))))".
• Adding a wildcard symbol may retrieve word variants: (((( danh tac van hoc hien nam ) or ( danh tac van hoc phien nam ))) or ((((( canh tac vang hoc phien ban ) OR ( canh tac vang hoc phan ban ))) or ( canh cac dan hoa phien ban ))))*.