Perhaps you should try some spelling variations:
hanh trinh » canh tranh
lang cong » dang cong, bang cong, hang cong
cong dang » cong dong, cong dan, cong dung
theo hau » theo dau, theo mau, theo phap
hau sach » khau sach, cau sach, ham sach
tran cao » tran chau, trang cho, tranh cac
toan cao » toan ban, toan tap
va lang » va nang, hoa lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo hau sach - ((hanh trinh) or (hanh chinh)) va lang cong dang ((tran cao) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hau sach - ((hanh trinh) OR (hanh chinh)) va lang cong dang ((tran cao) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo hau sach - ((hanh trinh) or (hanh chinh)) va lang cong dang ((tran cao) or (toan cao))*.