Perhaps you should try some spelling variations:
va doanh » van doanh, vay doanh, va danh
tang cua » mang cua, hang cua, tang luan
nang mai » nang ma, nang tai, lang mai
van cua » vang cua, ban cua, dan cua
tu sach » thu sach, su sach, te sach
hieu va » lieu va, hieu qua
mai hoi » mai khoi, dai hoi, lai hoi
co xuc » co xuoc, co xua
xuc va » duc va, tuc va, luc va
va co » vo co

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) or (thu hoach)) ky nang mai hoi. hieu va co xuc va doanh ((van cua) or (tang cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu hoach)) ky nang mai hoi. hieu va co xuc va doanh ((van cua) OR (tang cua)) triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (thu hoach)) ky nang mai hoi. hieu va co xuc va doanh ((van cua) or (tang cua)) triet*.