Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
cong duong » cuong duong, cong dong, con duong
duong van » duong va, luong va, dang van
thanh ban » thanh san, thanh bac, thanh bai
thanh van » thanh san, thanh toan, thanh phan
ho chiet » ho chieu, ho thiet, hoc thiet

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 tranh) or (hanh trinh)) cua cong duong van ((thanh ban) OR (thanh van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - ((hanh tranh) OR (hanh trinh)) cua cong duong van ((thanh ban) OR (thanh van)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - ((hanh tranh) or (hanh trinh)) cua cong duong van ((thanh ban) OR (thanh van))".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - ((hanh tranh) or (hanh trinh)) cua cong duong van ((thanh ban) OR (thanh van))*.