Perhaps you should try some spelling variations:
nhung phong » nhung phuong, nhung chong, nung phong
hanh tranh » hanh trinh, hanh trang, lanh tranh
cua nhung » va nhung
phong van » phung van, thong van, phong va
tuan ban » tuan bang, toan ban, luan ban
luan han » luan hoan, luan phan, luan van
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) OR (canh tranh)) cua nhung phong van ((tuan ban) or (luan han))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc cuu tinh - ((hanh tranh) OR (canh tranh)) cua nhung phong van ((tuan ban) OR (luan han)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc cuu tinh - ((hanh tranh) OR (canh tranh)) cua nhung phong van ((tuan ban) or (luan han))".
• Adding a wildcard symbol may retrieve word variants: hoc cuu tinh - ((hanh tranh) OR (canh tranh)) cua nhung phong van ((tuan ban) or (luan han))*.