Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » doanh cua, manh cua
cua bang » chua bang, cua ban, cua dang
song dan » song danh, cong dan, song da
song van » hoang van, trong van, duong van
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - canh tranh cua bang ((song dan) or (song van)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - canh tranh cua bang ((song dan) OR (song van)) than cao.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - canh tranh cua bang ((song dan) or (song van)) than cao*.