Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
va thanh » gia thanh, va tinh, le thanh
nang xay » dang xay, nganh xay, nang xuan
chat huu » pham huu
luu tre » luu tru, luy tre
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
ve chat » va chat, van chat
hieu ve » hieu va, hieu van
xay hoi » xa hoi, tay hoi, cay phoi
cuu tre » cua tre, cau tren, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang xay hoi. hieu ve chat huu ((va thanh) or (ban thanh)) van ((luu tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xay hoi. hieu ve chat huu ((va thanh) OR (ban thanh)) van ((luu tre) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xay hoi. hieu ve chat huu ((va thanh) or (ban thanh)) van ((luu tre) OR (cuu tre))*".