Perhaps you should try some spelling variations:
lang tien » bang tien, lang bien, dang tien
khoe sach » khoa sach, hoc sach, khoe sinh
luan tieu » luan thiet
luan dieu » lan dieu, luan hieu, cua dieu
pho gian » pho giao, cho giang, ho gia
sach han » sach tham, sach danh, sach nang
dieu cua » dieu tra
san luan » dan luan, tang luan, hang luan
pham san » pham van, pham lan, pham can
tieu cua » thieu cua, tiep cua, bieu cua
qua tiep » cua tiep, qua dieu, va tiep
tien thu » tieu thu, kien thuc, trien thi
han dieu » nhan dieu, than dieu, lan dieu
pha san » phi san, phu san, nha san

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)) lang tien thu ) or ((( pho cap ((qua tiep) OR (qua tieu)) cua ) or ((((( pham san luan dieu cua ) or ( pha san luan tieu cua ))) or ( khoe sach han dieu tri ))))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((pho gian) OR (thoi gian)) lang tien thu ) OR ((( pho cap ((qua tiep) OR (qua tieu)) cua ) OR ((((( pham san luan dieu cua ) OR ( pha san luan tieu cua ))) OR ( khoe sach han dieu tri ))))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((pho gian) or (thoi gian)) lang tien thu ) or ((( pho cap ((qua tiep) OR (qua tieu)) cua ) or ((((( pham san luan dieu cua ) or ( pha san luan tieu cua ))) or ( khoe sach han dieu tri ))))))*".