Perhaps you should try some spelling variations:
hanh thuc » nhanh thuc, hanh thuoc, hanh phuc
hieu van » hieu va, thien van, hieu ve
va thanh » gia thanh, ban thanh, le thanh
nang xa » nang x, lang xa, nang ma
va tinh » may tinh
cua tre » cua te, cuu tre, cua triet
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sac ky nang xa hoi. ((hieu van) OR (lieu va)) hanh thuc ((va thanh) or (va tinh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky nang xa hoi. ((hieu van) OR (lieu va)) hanh thuc ((va thanh) OR (va tinh)) vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky nang xa hoi. ((hieu van) OR (lieu va)) hanh thuc ((va thanh) or (va tinh)) vi cua tre".
• Adding a wildcard symbol may retrieve word variants: vu sac ky nang xa hoi. ((hieu van) OR (lieu va)) hanh thuc ((va thanh) or (va tinh)) vi cua tre*.