Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
su triet » su viet, su tien, ve triet
cham cuc » cham cuu, pham cuc, pham chuc
cau treo » cau theo, cau tren, cau triet
lang van » dang van, tang van, hoang van
cuc ban » cua ban, cac ban, cuu ban
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
van hoi » van hoa, van hoc, van hoe
ky lang » ky nang, ky dang, ky tang
tu cai » tu can, tu bai, tu cay

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cai) or (tu cac)) ky lang van hoi. hieu vu cham cuc ban thanh san ((cau treo) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cai) OR (tu cac)) ky lang van hoi. hieu vu cham cuc ban thanh san ((cau treo) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: ((tu cai) or (tu cac)) ky lang van hoi. hieu vu cham cuc ban thanh san ((cau treo) or (su triet))*.