Perhaps you should try some spelling variations:
quyet thuc » quyet thu, thuyet thuc, quyen thuoc
nhung phan » nhung pham, nhung phat, nhung phun
nhung tri » nhung bai, dung tri, nhung bi
quen hanh » quen thanh, quan hanh, quang hanh
phan quan » phan quang, phap quan, pham quang
tri quen » tri quan, tri huyen, tri quang
quen suc » quan su, quyen su, quen cua
quan van » luan van, quan va, quan luan
suc lap » suc cap, tuc 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 tri quen hanh. thoi quen suc lap ) or ( nhung phan quan van. theo quyet thuc vat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung tri quen hanh. thoi quen suc lap ) OR ( nhung phan quan van. theo quyet thuc vat )).
• Adding a wildcard symbol may retrieve word variants: (( nhung tri quen hanh. thoi quen suc lap ) or ( nhung phan quan van. theo quyet thuc vat ))*.