Perhaps you should try some spelling variations:
van doanh » toan doanh, van dong, van thanh
cua triet » cua viet, su triet, va triet
toc sach » hoc sach, doc sach, thuoc sach
nang mai » nang ma, nang tai, lang mai
hieu van » hieu va, thien van, lieu va
van chat » cao chat
chat xuc » chat huu, cam xuc, chao xu
va doanh » vay doanh, va danh, hoa doanh
than cua » nhan cua, thai cua, ban cua
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
mai hoi » mai khoi, dai hoi, lai hoi

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