Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
cau tren » cu tren, dau tren, ca tren
hang san » hoang san, hang ban, hanh san
ban hang » ngan hang
cham xuc » cam xuc, chat xuc, cham soc
van hoi » van hoa, van hoc, van hoe
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
xuc ban » duc ban, cuc ban, quoc ban
ky tang » ky dang, kho tang, ky trong
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 nang) or (ky tang)) van hoi. hieu vu cham xuc ban hang san ((cau tren) or (cau triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cai ((ky nang) OR (ky tang)) van hoi. hieu vu cham xuc ban hang san ((cau tren) OR (cau triet)).
• Adding a wildcard symbol may retrieve word variants: tu cai ((ky nang) or (ky tang)) van hoi. hieu vu cham xuc ban hang san ((cau tren) or (cau triet))*.