Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trinh » canh tranh, hanh chinh
chau tinh » cuu tinh, ha tinh, cua tinh
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
hoc chau » hoc chat, moc chau, hoc cau
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 tinh - hanh trinh cua nhung cong dan ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chau tinh - hanh trinh cua nhung cong dan ((toan ban) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: hoc chau tinh - hanh trinh cua nhung cong dan ((toan ban) or (van ban))*.