Perhaps you should try some spelling variations:
hoc phien » thuoc phien, hoc nghien, hoc phan
danh tac » canh tac, danh bac, doanh tai
hien nam » phien nam, hien nay, vien nam
canh tay » canh tac, thanh tay, anh ta
tay vang » tac vang, tay vung, tay lang
vang hoc » nang hoc, vung hoc, bang hoc
canh cac » canh tac, canh giac, canh chau
hanh cac » hang cac, hanh cat, nhanh cay
tac van » tac vang, cac van, tac va
van hoc » van hoa

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