Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
thien van » thi van
pham thuc » phap thuc, pham chuc, nham thuc
trinh dan » trinh han, trinh san, trinh da
toc sach » hoc sach, doc sach, nuoc sach
van pham » san pham, van phan, van phat
va trinh » van trinh, va tinh, lap trinh
nang xa » nang x, lang xa, nang ma
thuc va » thuc vat, thuc dan, thuc day
dan cua » dan ca, ban cua, dai cua
cua tre » cua te, cuu tre, cua triet

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. thien van pham thuc va trinh dan cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (thuoc sach)) ky nang xa hoi. thien van pham thuc va trinh dan cua tre.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (thuoc sach)) ky nang xa hoi. thien van pham thuc va trinh dan cua tre*.