Perhaps you should try some spelling variations:
trinh luan » trinh luat, trinh quan, trinh han
nhung cong » dung cong, thong cong, hang cong
chau tinh » cuu tinh, ha tinh, cua tinh
hoc chau » hoc chat, moc chau, hoc cau
tinh cua » trinh cua, sinh cua, tinh chat
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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 tinh - hanh ((trinh luan) or (tinh cua)) nhung cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chau tinh - hanh ((trinh luan) OR (tinh cua)) nhung cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: hoc chau tinh - hanh ((trinh luan) or (tinh cua)) nhung cong dan van ban*.