Perhaps you should try some spelling variations:
vay doanh » van doanh, ly doanh, von doanh
voi doanh » von doanh, tri doanh, hoa doanh
thu sach » tu sach, thuat sach, thuoc sach
nam duoc » nam thuoc, da duoc, dat duoc
sach ky » sac ky, sach y, sach ty
nang du » nang tu, nang luc, nang doc
tai cua » thai cua, tai cuc, tri cua
du loi » duc loi, tu loi
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: thu sach ky nang du loi. lieu va ((cam xuc) or (nam duoc)) ((vay doanh) or (voi doanh)) tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang du loi. lieu va ((cam xuc) OR (nam duoc)) ((vay doanh) OR (voi doanh)) tai cua te.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang du loi. lieu va ((cam xuc) or (nam duoc)) ((vay doanh) or (voi doanh)) tai cua te*.