Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
dau luan » dan luan, dat luan, khau luan
van nhan » van phan, van thanh, danh nhan
nhan tai » hang tai, van tai, toan tai
nang xa » nang x, lang xa, nang ma
dau luc » cau luc, dau nuoc, dau luot
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang
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: thuat sach y nang xa hoi. lieu va ((dau luc) OR (dau luan)) van nhan tai ((cuu tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y nang xa hoi. lieu va ((dau luc) OR (dau luan)) van nhan tai ((cuu tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y nang xa hoi. lieu va ((dau luc) OR (dau luan)) van nhan tai ((cuu tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: thuat sach y nang xa hoi. lieu va ((dau luc) OR (dau luan)) van nhan tai ((cuu tre) or (cua te))*.