Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
rong thanh » dong thanh, cong thanh, truong thanh
thanh toan » thanh hoa, thanh san, tinh toan
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
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 ((chinh sach) or (chiet tach)) - hanh trinh ((cua dung) OR (cua dang)) rong thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chinh sach) OR (chiet tach)) - hanh trinh ((cua dung) OR (cua dang)) rong thanh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chinh sach) or (chiet tach)) - hanh trinh ((cua dung) OR (cua dang)) rong thanh toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chinh sach) or (chiet tach)) - hanh trinh ((cua dung) OR (cua dang)) rong thanh toan cao*.