Perhaps you should try some spelling variations:
nhung thoi » nhung thi, phung thi, nhung loi
toan quyet » hoang quyet, thanh quyet, van quyet
quen vang » que van, que lang, quen hanh
thoi xuan » thi xuan, tho xuan, thoi xua
thoi quan » thi quan, thong quan, thai quang
quyet thu » quyet thuc, quyet tam, quyet tan
xuan thu » xuan thuy, tuan thu, luan thuc
quan van » luan van, quan va, quan luan
thu lap » thu lao, tu lap, thuat lap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung thoi quen vang. thoi xuan thu lap ) OR ( nhung thoi quan van. toan quyet thu lap ))~.
• Adding a wildcard symbol may retrieve word variants: (( nhung thoi quen vang. thoi xuan thu lap ) or ( nhung thoi quan van. toan quyet thu lap ))*.