Perhaps you should try some spelling variations:
nhan luc » nang luc
va thanh » gia thanh, ban thanh, va tinh
hieu de » hieu ve, hieu he, hieu le
de nhan » do nhan, tue nhan, de thanh
vai cua » dai cua, hai cua, lai cua
luc va » duc va, tuc va, loc va
vi cua » di cua
x hoi » xa hoi, o hoi, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky nang ((x hoi) or (x ho)). hieu de nhan luc va thanh ((vi cua) OR (vai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang ((x hoi) OR (x ho)). hieu de nhan luc va thanh ((vi cua) OR (vai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang ((x hoi) or (x ho)). hieu de nhan luc va thanh ((vi cua) OR (vai cua)) te".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((x hoi) or (x ho)). hieu de nhan luc va thanh ((vi cua) OR (vai cua)) te*.