Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
sach nghia » sach nghiep, sach nha
khoa thong » hoa thong, thoai thong, khoi khong
trong mach » trong cac, trong minh, trong anh
bach khoa » anh khoa
nuoc sach » nguoi sach, hoc sach, cuoc cach
bai trong » bi trong, tai trong, bui trong
mach khoa » anh khoa, may khoa, moc khoa
pho thong » he thong
nghia tu » nghia duy, nghia cua, nghia xa
sach bai » sach dao, cac bai, sach xa
khoa pho » khoa phu, khoa khoa, khoa phau
tu bach » vu bach, tu cach, tu bac

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 nghia tu bach khoa thong thong ) or ( nuoc sach bai trong mach khoa pho thong ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thuat sach nghia tu bach khoa thong thong ) OR ( nuoc sach bai trong mach khoa pho thong )).
• Adding a wildcard symbol may retrieve word variants: (( thuat sach nghia tu bach khoa thong thong ) or ( nuoc sach bai trong mach khoa pho thong ))*.