Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
ban hanh » ban hang
va thanh » gia thanh, ban thanh, va tinh
chat xuc » chat huu, cam xuc, chao xu
va chat » van chat, va phat, cao chat
sach ky » sac ky, sach y, sach ty
cao hoi » cau hoi, co hoi, cao hoc
vi cau » va cau, di cau, viet cau
ve cau » ke cau, va cau, ve cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang cao hoi. lieu va chat xuc ((ban hanh) or (va thanh)) ((vi cau) OR (ve cau)) treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang cao hoi. lieu va chat xuc ((ban hanh) OR (va thanh)) ((vi cau) OR (ve cau)) treo.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang cao hoi. lieu va chat xuc ((ban hanh) or (va thanh)) ((vi cau) OR (ve cau)) treo".
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang cao hoi. lieu va chat xuc ((ban hanh) or (va thanh)) ((vi cau) OR (ve cau)) treo*.