Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
ban thanh » ban hanh, ban hang
cau treo » cau theo, cau tren, cau trieu
va cham » va chat, va tham
soc ban » hoc ban, coc ban, so ban
hieu va » lieu va, hieu qua
van hoe » van hoa, van hoc, van hieu
van hoi » van hoa, van hoc, van loi
ky lang » ky nang, ky dang, ky tang
cai ky » cao ky, cac ky, cam ky
tu cai » tu cac, tu can, tu bai

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 ky lang ((van hoi) or (van hoe)). hieu va cham soc ban thanh san ((cau treo) or (cau triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cai ky lang ((van hoi) OR (van hoe)). hieu va cham soc ban thanh san ((cau treo) OR (cau triet)).
• Adding a wildcard symbol may retrieve word variants: tu cai ky lang ((van hoi) or (van hoe)). hieu va cham soc ban thanh san ((cau treo) or (cau triet))*.