Perhaps you should try some spelling variations:
nhung thoi » phung thi, nhung loi, nhung tri
thoi quan » thi quan, thong quan, thai quang
nhung thi » phung thi, nhung tri, nhung chi
quan van » luan van, quan va, quan luan
quen cua » quyen cua, quan cua, duyen cua
quen tu » quen thu, huyen tu, quen suc
thi lan » thi hanh, thi nang, thi lien
lan van » luan van, lang van, tan van
cua lap » chua lap, cua tap, cua lam
tu lap » truc lap

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

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