Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
van chat » cao chat
danh dai » danh dau, danh di, danh sai
dai cuu » dai cua, dai huu
va danh » va dinh, va dan, va hanh
thuc va » thuc vat, thuc dan, thuc day
va chat » va phat, cao chat, hoa chat
sach ky » sac ky, sach y, sach ty
tang ma » mang may, tang van
nang xa » nang x, lang xa, nang ma
cuu tre » cua tre, cau tren, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach ky ((nang xa) or (tang ma)) hoi. lieu ((va chat) or (van chat)) thuc va danh dai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ky ((nang xa) OR (tang ma)) hoi. lieu ((va chat) OR (van chat)) thuc va danh dai cuu tre.
• Adding a wildcard symbol may retrieve word variants: thuat sach ky ((nang xa) or (tang ma)) hoi. lieu ((va chat) or (van chat)) thuc va danh dai cuu tre*.