Perhaps you should try some spelling variations:
nhan luc » nang luc
va thanh » gia thanh, ban thanh, va tinh
cau tren » cu tren, dau tren, ca tren
nang xa » nang x, lang xa, nang ma
hieu vu » hieu va, hieu ve, hieu su
vu nhan » cu nhan, vu ngan, tu nhan
va danh » va dinh, va dan, va hanh
cuu tre » cua tre, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: cu cao ky nang xa hoi. hieu vu nhan luc ((va thanh) or (va danh)) di ((cuu tre) OR (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cu cao ky nang xa hoi. hieu vu nhan luc ((va thanh) OR (va danh)) di ((cuu tre) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "cu cao ky nang xa hoi. hieu vu nhan luc ((va thanh) or (va danh)) di ((cuu tre) OR (cau tren))".
• Adding a wildcard symbol may retrieve word variants: cu cao ky nang xa hoi. hieu vu nhan luc ((va thanh) or (va danh)) di ((cuu tre) OR (cau tren))*.