Perhaps you should try some spelling variations:
cau phuc » cau truc, chau phu, huu phuc
phuc van » thuc van, phuc va, chuc van
hanh vai » hanh vi, hanh tai, hanh van
tu sach » thu sach, su sach, te sach
sach vu » sach va, sach tu, sach uu
vu nang » vuc nang, va nang, vu dang
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
hanh va » hang va, hanh vi
va cau » van cau, va cac, va dau

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 vu nang xa hoi. hieu va cau phuc van ((hanh vai) or (hanh va)) qua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach vu nang xa hoi. hieu va cau phuc van ((hanh vai) OR (hanh va)) qua su.
• Adding a wildcard symbol may retrieve word variants: tu sach vu nang xa hoi. hieu va cau phuc van ((hanh vai) or (hanh va)) qua su*.