Perhaps you should try some spelling variations:
so hanh » so sanh, so danh, co hanh
hanh ky » hanh kem
xay hoi » xa hoi, tay hoi, cay phoi
hieu va » lieu va, hieu qua
cac duc » cac du, cao duc, cac dac
va hanh » van hanh, va thanh, va danh
va dinh » van dinh, va kinh, va tinh
vai cua » dai cua, hai cua, lai cua
ky van » ly van, ty van, ky va
vi 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: so hanh ky van xay hoi. hieu va cac duc ((va hanh) or (va dinh)) ((vi cua) or (vai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so hanh ky van xay hoi. hieu va cac duc ((va hanh) OR (va dinh)) ((vi cua) OR (vai cua)) te.
• Adding a wildcard symbol may retrieve word variants: so hanh ky van xay hoi. hieu va cac duc ((va hanh) or (va dinh)) ((vi cua) or (vai cua)) te*.