Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
sach hoi » sach doi, sach moi, cach thoi
hoi nang » hoi lang, ho nang, hoa nang
chat xuc » chat huu, chao xu, chat cua
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
de cau » le cau, ve cau, da cau
ke cau » ket cau

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 hoi nang xa hoi. hieu ve ((chat xuc) or (cam xuc)) ban thanh ((de cau) OR (ke cau)) tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach hoi nang xa hoi. hieu ve ((chat xuc) OR (cam xuc)) ban thanh ((de cau) OR (ke cau)) tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach hoi nang xa hoi. hieu ve ((chat xuc) or (cam xuc)) ban thanh ((de cau) OR (ke cau)) tren".
• Adding a wildcard symbol may retrieve word variants: tu sach hoi nang xa hoi. hieu ve ((chat xuc) or (cam xuc)) ban thanh ((de cau) OR (ke cau)) tren*.