Perhaps you should try some spelling variations:
hanh hang » thanh hang, hang hang, hanh han
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
hang van » hoang van, hang va, dang van
van dang » van dong, van dung, van nang
cong dan » cong san, cong tan, cong dong
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: theo chu sach - hanh hang van dang ((cong dan) or (huong dan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - hanh hang van dang ((cong dan) OR (huong dan)) toan cau*.