Perhaps you should try some spelling variations:
dang mau » dong mau, dang van, dang su
cua tre » cua te, cuu tre, cua triet
vai cua » dai cua, hai cua, lai cua
va dinh » van dinh, va kinh, va tinh
va danh » va dan, va hanh, dia danh
vu cham » va cham, vu kham, tu cham
ve cham » va cham, ve chat, ve chim
mau hoi » cau hoi, mai hoi, mau ho
ky dang » ky nang, ky danh
sac ky » cac ky, sai ky
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. hieu ((ve cham) or (vu cham)) luc ((va danh) OR (va dinh)) vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky dang mau hoi. hieu ((ve cham) OR (vu cham)) luc ((va danh) OR (va dinh)) vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky dang mau hoi. hieu ((ve cham) or (vu cham)) luc ((va danh) OR (va dinh)) vai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sac ky dang mau hoi. hieu ((ve cham) or (vu cham)) luc ((va danh) OR (va dinh)) vai cua tre*.