Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thanh vien » nhan vien, thanh van
van thanh » ban thanh, van tuan
vien cua » viec cua, dien cua, tien cua
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
tu sach » thu sach, su sach, te sach
cac lo » cac lop, cac co, cac bo

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuat sach) or (tu sach)) ky nang xa hoi. hieu ve ((cac lo) or (cac hop)) van thanh vien cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat sach) OR (tu sach)) ky nang xa hoi. hieu ve ((cac lo) OR (cac hop)) van thanh vien cua tre.
• Adding a wildcard symbol may retrieve word variants: ((thuat sach) or (tu sach)) ky nang xa hoi. hieu ve ((cac lo) or (cac hop)) van thanh vien cua tre*.