Perhaps you should try some spelling variations:
hanh trang » thanh trung, hanh trinh, minh trang
danh trung » dang trung, dinh trung, manh trung
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
chi sach » chinh sach, chieu sach, co sach
cong van » cong vang, cong san, song van
van than » van thanh, van thang, van tuan
than cau » toan cau, phan cau, than cap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - ((danh trung) or (((hanh trang) or (canh tranh)))) cua nhung cong van than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - ((danh trung) OR (((hanh trang) OR (canh tranh)))) cua nhung cong van than cau.
• Adding a wildcard symbol may retrieve word variants: doi chi sach - ((danh trung) or (((hanh trang) or (canh tranh)))) cua nhung cong van than cau*.