Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chau tinh » cuu tinh, ha tinh, cua tinh
cong danh » cuong danh, cong dan, cong thanh
hoc chau » hoc chat, moc chau, hoc cau
tranh va » tranh van, trang va, trinh va
tuan ban » tuan bang, toan ban, quang ban
luan ban » luan van, luan san, luan han

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chau tinh - canh tranh va nhung cong danh ((tuan ban) OR (luan ban))~".
• Adding a wildcard symbol may retrieve word variants: hoc chau tinh - canh tranh va nhung cong danh ((tuan ban) OR (luan ban))*.