Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, manh trung, danh trung
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
cong anh » cong danh, dong anh, hong anh
tuan ban » tuan bang, toan ban, luan ban
tinh » trinh, dinh, minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((trieu tinh) or (chieu sach)) - ((hanh trung) OR (hanh trang)) cua nhung cong anh tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((trieu tinh) OR (chieu sach)) - ((hanh trung) OR (hanh trang)) cua nhung cong anh tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((trieu tinh) or (chieu sach)) - ((hanh trung) OR (hanh trang)) cua nhung cong anh tuan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((trieu tinh) or (chieu sach)) - ((hanh trung) OR (hanh trang)) cua nhung cong anh tuan ban*.