Perhaps you should try some spelling variations:
chieu tinh » lieu tinh, chau tinh, kieu tinh
hanh trang » thanh trung, hanh trinh, minh trang
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
dan chinh » dang chinh, lan chinh, van chinh
chinh phu » tinh phu, chinh cho
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 ((chieu tinh) or (trieu tinh)) - ((hanh trang) OR (canh tranh)) cua nhung cong dan chinh phu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu tinh) OR (trieu tinh)) - ((hanh trang) OR (canh tranh)) cua nhung cong dan chinh phu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu tinh) or (trieu tinh)) - ((hanh trang) OR (canh tranh)) cua nhung cong dan chinh phu".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu tinh) or (trieu tinh)) - ((hanh trang) OR (canh tranh)) cua nhung cong dan chinh phu*.