Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trang » thanh trung, canh tranh, minh trang
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
ho chiet » ho chieu, ho thiet, hoc thiet
cong dan » cong san, cong tan, huong dan
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - ((hanh trang) OR (hanh trinh)) cua thong cong dan ((than cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - ((hanh trang) OR (hanh trinh)) cua thong cong dan ((than cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - ((hanh trang) OR (hanh trinh)) cua thong cong dan ((than cau) or (toan cau))".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - ((hanh trang) OR (hanh trinh)) cua thong cong dan ((than cau) or (toan cau))*.