Perhaps you should try some spelling variations:
doanh cua » doanh luan
chat xuc » chat huu, cam xuc, chao xu
va doanh » van doanh, vay doanh, va danh
va chat » van chat, va phat, cao chat
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
te sach » toc sach
xuc va » duc va, tuc va, luc va
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cac) or (te sach)) y nang ma hoi. hieu va chat xuc va doanh cua ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (te sach)) y nang ma hoi. hieu va chat xuc va doanh cua ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cac) or (te sach)) y nang ma hoi. hieu va chat xuc va doanh cua ((cua tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: ((tu cac) or (te sach)) y nang ma hoi. hieu va chat xuc va doanh cua ((cua tre) OR (cuu tre))*.