Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh tai, hanh van
tu sach » thu sach, su sach, tu cach
hanh va » hang va, hanh vi
luc van » luoc van, luu van, duc van
cau luc » cau truc, cau phuc
hieu ve » hieu va, hieu van
te sach » toc sach
ve cau » ke cau, va cau, ve cac
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: ((tu sach) or (te sach)) ky nang x hoi. hieu ve cau luc van ((hanh vai) OR (hanh va)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang x hoi. hieu ve cau luc van ((hanh vai) OR (hanh va)) cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) ky nang x hoi. hieu ve cau luc van ((hanh vai) OR (hanh va)) cua te*".