Perhaps you should try some spelling variations:
va thanh » ban thanh, va tinh, le thanh
hai cuc » tai cuc, hai cua, thai cua
hai cuu » hai cua, hai chu, thai cua
te sach » toc sach
cam tuc » cam xuc, cam tu, nam thuc
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
y nang » ky nang, ly nang, v nang
va cam » va cham, va cac, va cao
ma hoi » mai hoi, xa hoi, ma hoa

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ma hoi. hieu va cam tuc ((va thanh) OR (gia thanh)) ((hai cuu) OR (hai cuc)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ma hoi. hieu va cam tuc ((va thanh) or (gia thanh)) ((hai cuu) OR (hai cuc)) tre~".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ma hoi. hieu va cam tuc ((va thanh) or (gia thanh)) ((hai cuu) OR (hai cuc)) tre*.