Perhaps you should try some spelling variations:
nhung phung » nhung phuong, nhung phong, nhung phun
hanh trinh » canh tranh, hanh chinh
hanh tranh » canh tranh, hanh trang, lanh tranh
chat tinh » chau tinh, cham tinh, cha tinh
cua nhung » va nhung
hoc chat » hoc phat, hoc cao, hoc phan
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chat tinh - ((hanh tranh) or (hanh trinh)) cua nhung phung van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chat tinh - ((hanh tranh) OR (hanh trinh)) cua nhung phung van tuan ban.
• Adding a wildcard symbol may retrieve word variants: hoc chat tinh - ((hanh tranh) or (hanh trinh)) cua nhung phung van tuan ban*.