Perhaps you should try some spelling variations:
thanh va » thanh van, hanh va, thanh ha
va thanh » gia thanh, ban thanh, va tinh
tu dang » thu dang, tu dong, su dang
cam hoc » cao hoc, am hoc, cam hoa
hieu ve » hieu va, hieu van
cuu tre » cua tre, cau tren, cau treo
dang y » dang xay
y nang » ky nang, ly nang, v nang
cua te » cua tu
ve cam » ve cham, ve cac, va cam
x hoi » o hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu dang y nang ((x hoi) OR (xa hoi)). hieu ve cam hoc va thanh va ((cua te) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu dang y nang ((x hoi) OR (xa hoi)). hieu ve cam hoc va thanh va ((cua te) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu dang y nang ((x hoi) OR (xa hoi)). hieu ve cam hoc va thanh va ((cua te) or (cuu tre))*".