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

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 ty 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 ty 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 ty dang xa hoi. hieu qua cau truc va ((danh vien) or (doanh vien)) cac tro*.