Perhaps you should try some spelling variations:
vu khach » vu khanh, vu khac, vay khach
kho tang » cao tang
cham luc » cham soc, nhan luc, cham cuu
ky tang » ky nang, ky dang, ky trong
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va xanh » va danh, va hanh, va anh
xanh di » danh di, vanh dai, xanh tai
cua tre » cua te, cuu tre, cua triet
vu san » va san, vu ban
luc va » duc va, tuc va, loc va
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu khach) or (vu san)) ((ky tang) or (kho tang)) van hoa. hieu ve cham luc va xanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu khach) OR (vu san)) ((ky tang) OR (kho tang)) van hoa. hieu ve cham luc va xanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: ((vu khach) or (vu san)) ((ky tang) or (kho tang)) van hoa. hieu ve cham luc va xanh di cua tre*.