Perhaps you should try some spelling variations:
xuc ngan » luc ngan, luc nganh, vu ngan
cham xuc » cam xuc, chat xuc, cham soc
hieu ve » hieu va, hieu van
tu sach » thu sach, te sach, tu cach
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
su sach » so sach, vu sach
ve cham » va cham, ve chat, vu cham
vi cau » ve cau, di cau, viet cau
va cau » van cau, va cac, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) OR (su sach)) ty nang xa hoi. hieu ve cham xuc ngan hang ((vi cau) or (va cau)) tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ty nang xa hoi. hieu ve cham xuc ngan hang ((vi cau) OR (va cau)) tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (su sach)) ty nang xa hoi. hieu ve cham xuc ngan hang ((vi cau) or (va cau)) tren".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (su sach)) ty nang xa hoi. hieu ve cham xuc ngan hang ((vi cau) or (va cau)) tren*.