Perhaps you should try some spelling variations:
doanh vang » doanh van, doanh sang, doanh quang
vay doanh » van doanh, ly doanh, voi doanh
cham tuc » nham thuc, pham thuc, tham thuc
tuc vay » tuc va, tu vay, tuc xay
cua tre » cua te, cua triet, dua tren
tu sach » thu sach, su sach, te sach
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
ly nang » ky nang, ly hang, ly vang
cuu tre » cau tren, cau treo
y nang » ky nang, v nang, may 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 sach ((y nang) or (ly nang)) xa hoi. hieu ve cham tuc vay doanh vang ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (ly nang)) xa hoi. hieu ve cham tuc vay doanh vang ((cua tre) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y nang) or (ly nang)) xa hoi. hieu ve cham tuc vay doanh vang ((cua tre) OR (cuu tre))*".