Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
pham thuc » phap thuc, pham chuc, pham thu
toc sach » hoc sach, doc sach, thuoc sach
thi nang » thi cong, ki nang, thi hanh
van danh » van doanh, van anh, van hanh
danh dau » lanh dao, hang dau, danh tu
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
dau cua » dai cua, day cua, cau 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 ky nang xa hoi. thi nang ((nham thuc) or (pham thuc)) van danh dau cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky nang xa hoi. thi nang ((nham thuc) OR (pham thuc)) van danh dau cua tre.
• Adding a wildcard symbol may retrieve word variants: toc sach ky nang xa hoi. thi nang ((nham thuc) or (pham thuc)) van danh dau cua tre*.