Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cham duc » pham duc, pham duy, phan duc
thanh va » thanh van, hanh va, thanh ha
te sach » toc sach
cua tre » cua te, cua triet, dua tren
sach ky » sac ky, sach y, sach ty
cuu tre » cau tren, cau treo
hieu ve » hieu va, hieu van
tang ha » lang ha, tang ma, trung ha
ky tang » ky nang, ky dang, kho tang
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky tang ha hoi. hieu ve ((cham duc) OR (cham soc)) ban thanh va ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky tang ha hoi. hieu ve ((cham duc) OR (cham soc)) ban thanh va ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky tang ha hoi. hieu ve ((cham duc) OR (cham soc)) ban thanh va ((cua tre) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: te sach ky tang ha hoi. hieu ve ((cham duc) OR (cham soc)) ban thanh va ((cua tre) or (cuu tre))*.