Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
pham thuc » phap thuc, pham chuc, nham thuc
toc sach » hoc sach, doc sach, nuoc sach
dinh dau » dinh dat, dinh du, danh dau
nang xa » nang x, lang xa, nang ma
thi van » thi hanh, thi nang
dau cua » dai cua, day cua, cau cua
thi lan » thi hanh, thi nang, thi lien
thuc va » thuc vat, thuc dan, thuc day
va dinh » van dinh, va kinh, va tinh
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sach) or (thuoc sach)) ky nang xa hoi. ((thi van) or (thi lan)) pham thuc va dinh dau cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (thuoc sach)) ky nang xa hoi. ((thi van) OR (thi lan)) pham thuc va dinh dau cua te.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (thuoc sach)) ky nang xa hoi. ((thi van) or (thi lan)) pham thuc va dinh dau cua te*.