Perhaps you should try some spelling variations:
tinh doanh » kinh doanh, minh doanh, chinh doanh
doanh cua » doanh luan
toc sach » hoc sach, doc sach, thuoc sach
nang mai » nang ma, nang tai, lang mai
sach ky » sac ky, sach y, sach ty
mai hoi » mai khoi, dai hoi, lai hoi
va tinh » may tinh
va cam » va cham, va cac, va cai
va cao » va cac, va co, va dao
luc va » duc va, tuc va, loc va
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: toc sach ky nang mai hoi. lieu ((va cam) OR (va cao)) luc va tinh doanh cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ky nang mai hoi. lieu ((va cam) OR (va cao)) luc va tinh doanh cua te".
• Adding a wildcard symbol may retrieve word variants: toc sach ky nang mai hoi. lieu ((va cam) OR (va cao)) luc va tinh doanh cua te*.