Perhaps you should try some spelling variations:
luan hieu » luan tieu, luan thiet, van hieu
sach luan » sach luyen, sach han, san luan
luan dieu » luan tieu, lan dieu, nhan dieu
quan tiep » quang tien, luan tieu, quan tinh
hanh luan » khanh luan, hang luan, hanh luat
pham hanh » pham thanh, pham anh, pham hang
pham sach » pham anh, nam sach
gian van » giang van, gian dan, gian lan
can chua » ca chua, can chu, con chua
pho sach » khoa sach, khoe sach, pho trach
dieu tra » dieu tri, kiem tra, dieu cua
cua dieu » va dieu
sach cua » mach cua, cach cua, sac cua
chua tri » chu tri, chua trieu, chua tivi
hieu tra » hiep tran, chieu tro, hien trau
van tien » toan tien, van hieu, van tuan
quan toi » quan tri, quan doi, quan tai
tap quan » hai quan
tan quan » tang quan, toan quan, van quan
tiep cua » tiep can, dieu cua, tap cua
tien thu » tieu thu, kien thuc, trien thi
toi cua » troi cua, hoi cua, doi cua
pha tap » phan tap, pham tai
pha tan » pha ban, pha san, phap tang
pha tac » pha cac, phan tach, pham tai
pho can » cho can, pho cap, pho cam
thoi » thi, hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thoi gian van tien thu ) or ((((((( pha tac quan tiep cua ) OR ( pha tan quan tiep cua ))) or ((( pha tap quan toi cua ) or ( pho can chua tri cua ))))) or ((((( pham sach cua dieu tra ) or ( pham hanh luan dieu tra ))) or ( pho sach luan hieu tra ))))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thoi gian van tien thu ) OR ((((((( pha tac quan tiep cua ) OR ( pha tan quan tiep cua ))) OR ((( pha tap quan toi cua ) OR ( pho can chua tri cua ))))) OR ((((( pham sach cua dieu tra ) OR ( pham hanh luan dieu tra ))) OR ( pho sach luan hieu tra ))))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( thoi gian van tien thu ) or ((((((( pha tac quan tiep cua ) OR ( pha tan quan tiep cua ))) or ((( pha tap quan toi cua ) or ( pho can chua tri cua ))))) or ((((( pham sach cua dieu tra ) or ( pham hanh luan dieu tra ))) or ( pho sach luan hieu tra ))))))*".