Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
te sach » toc sach
hai cuu » hai cua, hai chu, hai cuc
va tinh » may tinh
va cham » va chat, va tham
hieu va » lieu va, hieu qua
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, may nang
ma hoi » mai hoi, xa hoi, ma hoa
v nang » va nang, vu nang, van nang

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

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