Perhaps you should try some spelling variations:
hiep tran » hien trang
luan hiep » tuan hiep, xuan hiep, luan nghiep
luan hieu » luan tieu, luan dieu, luan thiet
cua dieu » va dieu
hieu cua » hieu qua, bieu cua, hieu ca
dan luan » doanh luan, dung luan, tang luan
khoe dan » khoe ban, khoa dang, khoe dinh
dieu cua » dieu tra
pho gian » pho giao, cho giang, ho gia
van tien » toan tien, van hieu, van tuan
tien thu » tieu thu, kien thuc, trien thi
cua tap » cua tam, cua phap
tap cua » tap quan, tiep cua
cho can » cho cac, cho phan, cho cong
cap cua » cap cuu, ca cua, cau cua
cho cay » cho cac, cho vay, cho ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( ((pho gian) OR (thoi gian)) van tien thu ) or ((((( pho cap cua tap cua ) or ( ((cho cay) or (cho can)) cua dieu cua ))) or ((( khoe dan luan hieu cua ) or ( khoe dan luan hiep tran ))))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((pho gian) OR (thoi gian)) van tien thu ) OR ((((( pho cap cua tap cua ) OR ( ((cho cay) OR (cho can)) cua dieu cua ))) OR ((( khoe dan luan hieu cua ) OR ( khoe dan luan hiep tran ))))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((pho gian) OR (thoi gian)) van tien thu ) or ((((( pho cap cua tap cua ) or ( ((cho cay) or (cho can)) cua dieu cua ))) or ((( khoe dan luan hieu cua ) or ( khoe dan luan hiep tran ))))))*".