Perhaps you should try some spelling variations:
doanh vien » doanh tien, doanh chien, thanh vien
thuoc sach » hoc sach, nuoc sach, thuat sach
danh vien » danh viet, dan vien, danh kien
dang xa » dang xay, lang xa, dang ha
qua cau » quan cau, qua cac, qua ca
truc va » thuc va, thuc vat, trung va
y dang » ky dang, 2 dang, _ dang

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach y dang xa hoi. hieu qua cau truc va ((danh vien) or (doanh vien)) cac tro~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach y dang xa hoi. hieu qua cau truc va ((danh vien) OR (doanh vien)) cac tro.
• Adding a wildcard symbol may retrieve word variants: thuoc sach y dang xa hoi. hieu qua cau truc va ((danh vien) or (doanh vien)) cac tro*.