Perhaps you should try some spelling variations:
doanh cua » doanh luan
phat xuc » chat xuc, phat xuat, phap xu
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
danh ca » danh cho, danh gia, manh cua
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang xa hoi. hieu va phat xuc va ((((danh ca) or (doanh cua))) or (dan ca)) cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu va phat xuc va ((((danh ca) OR (doanh cua))) OR (dan ca)) cau tren.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu va phat xuc va ((((danh ca) or (doanh cua))) or (dan ca)) cau tren*.