Perhaps you should try some spelling variations:
hieu va » lieu va, hieu qua
danh va » doanh va, hanh va, dan va
cua tre » cua te, cuu tre, cua triet
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
xuc va » tuc va, luc va, xac va
anh va » hanh va
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 cam ((xuc va) OR (duc va)) ((danh va) or (anh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang x hoi. hieu va cam ((xuc va) OR (duc va)) ((danh va) OR (anh va)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky nang x hoi. hieu va cam ((xuc va) OR (duc va)) ((danh va) or (anh va)) cua tre".
• Adding a wildcard symbol may retrieve word variants: su sac ky nang x hoi. hieu va cam ((xuc va) OR (duc va)) ((danh va) or (anh va)) cua tre*.