Perhaps you should try some spelling variations:
thuoc phien » thuc hien, phuoc hien, thuat phien
nang thuoc » dang thuoc, nang thuc, sang thuoc
van thuoc » va thuoc, van thuc, van phuoc
ban thuoc » dang thuoc, cay thuoc, nam thuoc
quan hoc » quang hoc, luan hoc, quan doc
canh tac » canh tay, canh giac, cong tac
tac nang » tac vang, tai nang, tap nang
hien nam » phien nam, hien nay, vien nam
hanh cac » hang cac, hanh cat, nhanh cay
danh tac » danh bac, doanh tai, danh thuc
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 ( danh tac quan hoc hien nam ))) or ((( canh tac nang thuoc phien ban ) or ( hanh cac ((van thuoc) OR (ban thuoc)) phien ban ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((( danh tac van hoc hien nam ) OR ( danh tac quan hoc hien nam ))) OR ((( canh tac nang thuoc phien ban ) OR ( hanh cac ((van thuoc) OR (ban thuoc)) phien ban )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( danh tac van hoc hien nam ) or ( danh tac quan hoc hien nam ))) or ((( canh tac nang thuoc phien ban ) or ( hanh cac ((van thuoc) OR (ban thuoc)) phien ban ))))".
• Adding a wildcard symbol may retrieve word variants: (((( danh tac van hoc hien nam ) or ( danh tac quan hoc hien nam ))) or ((( canh tac nang thuoc phien ban ) or ( hanh cac ((van thuoc) OR (ban thuoc)) phien ban ))))*.