Perhaps you should try some spelling variations:
danh dau » lanh dao, hang dau, danh tu
danh sai » dung sai, danh bat, hanh san
hieu cao » chieu cao, hieu cac, hieu ca
cua tre » cua te, cuu tre, cua triet
truc va » thuc va, thuc vat, trung va
cao cau » cao cap, co cau, tao cau
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, me hoi
tu sac » tu sach, tu cac, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang ((ma hoi) OR (ma hoa)). hieu cao cau truc va ((danh sai) or (danh dau)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ((ma hoi) OR (ma hoa)). hieu cao cau truc va ((danh sai) OR (danh dau)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang ((ma hoi) OR (ma hoa)). hieu cao cau truc va ((danh sai) or (danh dau)) cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang ((ma hoi) OR (ma hoa)). hieu cao cau truc va ((danh sai) or (danh dau)) cua tre*.