Perhaps you should try some spelling variations:
nhung phung » nhung phuong, nhung phong, nhung phun
khien ban » khien bang, phien ban, thien ban
cua nhung » va nhung
kien ban » dien ban, kien van, khien bang
hanh han » hanh nhan, hanh phan, hanh san
van tuan » van quan, van ban, anh tuan
tuan tai » toan tai, quan tai, tan tai
han cua » hang cua, nhan cua, than cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((khien ban) OR (kien ban)) - hanh han cua nhung phung van tuan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((khien ban) OR (kien ban)) - hanh han cua nhung phung van tuan tai".
• Adding a wildcard symbol may retrieve word variants: hoc ((khien ban) OR (kien ban)) - hanh han cua nhung phung van tuan tai*.