Perhaps you should try some spelling variations:
thoi quyen » thoi nguyen, thuoc quyen, khi quyen
nhung thi » nhung thoi, phung thi, nhung tri
thi quyet » thi tuyet, toi quyet, theo quyet
quyen cua » duyen cua, truyen cua, chuyen cua
quen cua » quan cua, duyen cua, ben cua
thi quan » thi xuan, tri quan, thi luan
quan van » luan van, quan va, quan luan
cua lap » chua lap, cua tap, cua lam

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( nhung thi quyet van. thoi quen cua lap ) or ( nhung thi quan van. thoi quyen cua lap ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung thi quyet van. thoi quen cua lap ) OR ( nhung thi quan van. thoi quyen cua lap )).
• Adding a wildcard symbol may retrieve word variants: (( nhung thi quyet van. thoi quen cua lap ) or ( nhung thi quan van. thoi quyen cua lap ))*.