Perhaps you should try some spelling variations:
thanh dong » thanh duong, thanh cong, hanh dong
phuc ban » thuc ban, thuoc ban, phuc hang
phuc van » thuc van, phuc va, chuc van
dong cua » dung cua, cong cua, huong cua
hieu va » lieu va, hieu qua
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
va cau » van cau, va cac, va dau
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky nang x hoi. hieu va cau ((phuc ban) OR (phuc van)) thanh dong cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky nang x hoi. hieu va cau ((phuc ban) OR (phuc van)) thanh dong cua te".
• Adding a wildcard symbol may retrieve word variants: su sac ky nang x hoi. hieu va cau ((phuc ban) OR (phuc van)) thanh dong cua te*.