Perhaps you should try some spelling variations:
cham luc » cham soc, cham cuu, chat lua
nhan luc » nang luc
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
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: tu sai ky nang xa hoi. hieu ve ((cham luc) OR (nhan luc)) va hanh ((vi cua) or (vai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky nang xa hoi. hieu ve ((cham luc) OR (nhan luc)) va hanh ((vi cua) OR (vai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky nang xa hoi. hieu ve ((cham luc) OR (nhan luc)) va hanh ((vi cua) or (vai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: tu sai ky nang xa hoi. hieu ve ((cham luc) OR (nhan luc)) va hanh ((vi cua) or (vai cua)) tre*.