Perhaps you should try some spelling variations:
chat thuc » thuat thuc, nhan thuc, chat thai
thu sach » thuat sach, thuoc sach, thu hoach
danh sai » dung sai, danh bat, danh dau
tu sach » su sach, te sach, tu cach
sai cua » dai cua, hai cua, lai cua
va danh » va dinh, va dan, va hanh
thuc va » thuc vat, thuc dan, thuc day
va chat » van chat, va phat, cao chat
cua tre » cua te, cuu tre, cua triet
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa

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) or (thu sach)) ky ((nang xa) or (nang ma)) hoi. lieu va chat thuc va danh sai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) ky ((nang xa) OR (nang ma)) hoi. lieu va chat thuc va danh sai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu sach)) ky ((nang xa) or (nang ma)) hoi. lieu va chat thuc va danh sai cua tre*.