Perhaps you should try some spelling variations:
nhung phong » nhung phuong, nhung chong, nung phong
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
phong van » phung van, thong van, phong va
tuan ban » tuan bang, toan ban, quang ban
luan ban » luan van, luan san, luan han
hoc cuu » hoc huu, hoc cua, hoc cau

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

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