Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
thanh toan » thanh hoa, thanh san, tinh toan
toc sach » hoc sach, doc sach, nuoc sach
nam thuc » nam thuoc, am thuc, nam thu
va thanh » gia thanh, ban thanh, va tinh
nang xa » nang x, lang xa, nang ma
thuc va » thuc vat, thuc dan, thuc day
va nam » van nam, ha nam, va nay
cua tu » cua tuc, cua su, cua cu

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. lieu va nam thuc va thanh toan ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (thuoc sach)) ky nang xa hoi. lieu va nam thuc va thanh toan ((cua te) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (thuoc sach)) ky nang xa hoi. lieu va nam thuc va thanh toan ((cua te) or (cua tu))*.