Perhaps you should try some spelling variations:
cua dang » cua cong, cua ban
van hanh » van thanh, ban hanh, van anh
hanh vai » hanh vi, hanh va, hanh tai
te sach » toc sach
vu dang » su dang, vu quang
hieu va » lieu va, hieu qua
cau luc » cau truc, cau phuc
luc van » luoc van, luu van, duc van
vai cua » dai cua, hai cua, lai cua
va cau » van cau, va cac, va dau
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((vu dang) OR (cua dang)) xa hoi. hieu va cau luc van hanh vai cua su~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((vu dang) OR (cua dang)) xa hoi. hieu va cau luc van hanh vai cua su".
• Adding a wildcard symbol may retrieve word variants: te sach ((vu dang) OR (cua dang)) xa hoi. hieu va cau luc van hanh vai cua su*.