Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuoc sinh
thuat sach » thuat lanh, thuat san
cham duc » pham duc, cham soc, pham duy
noi cua » hoi cua, doi cua, moi cua
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
cua te » cua tu
va ha » va hoa, va kha, va han

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: ((thuoc sach) OR (thuat sach)) ty ((nang xa) OR (nang ma)) hoi. hieu vu cham duc va ha noi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuoc sach) or (thuat sach)) ty ((nang xa) OR (nang ma)) hoi. hieu vu cham duc va ha noi cua te~".
• Adding a wildcard symbol may retrieve word variants: ((thuoc sach) or (thuat sach)) ty ((nang xa) OR (nang ma)) hoi. hieu vu cham duc va ha noi cua te*.