Perhaps you should try some spelling variations:
cham xuc » cam xuc, cham soc, pham duc
chat xuc » chat huu, cam xuc, chao xu
sach ty » sach y, sach tu, sach thu
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
ty nang » ky nang, ty xang, ty hang
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 ty nang x ho. hieu ve ((cham xuc) or (chat xuc)) ngan hang ((vi cau) OR (va cau)) tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang x ho. hieu ve ((cham xuc) OR (chat xuc)) ngan hang ((vi cau) OR (va cau)) tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang x ho. hieu ve ((cham xuc) or (chat xuc)) ngan hang ((vi cau) OR (va cau)) tren".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang x ho. hieu ve ((cham xuc) or (chat xuc)) ngan hang ((vi cau) OR (va cau)) tren*.