Perhaps you should try some spelling variations:
danh vai » danh sai, danh va, doanh van
cua tre » cua te, cuu tre, cua triet
vai cua » dai cua, hai cua, lai cua
va danh » va dinh, va dan, va hanh
vu kham » vu khanh
ve cham » va cham, ve chat, vu cham
mau hoi » cau hoi, mai hoi, mau hop
ky dang » ky nang, ky danh
sac ky » cac ky, sai ky
mau ho » mau hop, mau co, mau do
luc va » duc va, tuc va, loc va
te sac » te sach, te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky dang ((mau hoi) OR (mau ho)). hieu ((ve cham) or (vu kham)) luc va danh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky dang ((mau hoi) OR (mau ho)). hieu ((ve cham) OR (vu kham)) luc va danh vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky dang ((mau hoi) OR (mau ho)). hieu ((ve cham) or (vu kham)) luc va danh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sac ky dang ((mau hoi) OR (mau ho)). hieu ((ve cham) or (vu kham)) luc va danh vai cua tre*.