Perhaps you should try some spelling variations:
doanh bac » doanh bat, doanh ban, danh bac
hoc vien » hoc viet, hoc vi
danh cac » dinh cac, danh ca, hanh cac
danh tac » canh tac, danh bac, doanh tai
hien nam » phien nam, hien nay, vien nam
van hoc » van hoa
tac dan » tac danh, cac dan, tac da
cac van » cac dan
bac va » ban va, bac ha, bao va
tac va » tac da, tac xa, tuc va

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 va hoc hien nam ) or ( doanh bac va hoc hien nam ))) or ( danh cac van hoc hien nam ))) or ( danh tac dan ((hoc vien) OR (hoc tieng)) nam ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((( danh tac va hoc hien nam ) OR ( doanh bac va hoc hien nam ))) OR ( danh cac van hoc hien nam ))) OR ( danh tac dan ((hoc vien) OR (hoc tieng)) nam ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((( danh tac va hoc hien nam ) or ( doanh bac va hoc hien nam ))) or ( danh cac van hoc hien nam ))) or ( danh tac dan ((hoc vien) OR (hoc tieng)) nam ))*".