Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
hoc chau » hoc chat, hoc cau, hoc chan
moc chau » toc cham, hoc chat
cong dan » cong san, cong tan, huong dan

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

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