Perhaps you should try some spelling variations:
ban nhanh » ban hanh, ban nhan, nhan nhanh
ban thanh » ban hanh, ban hang
cham duc » pham duc, cham soc, pham duy
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
cua tre » cuu tre, cua triet, dua tren
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky lang xa hoi. hieu ve cham duc ((ban nhanh) OR (ban thanh)) hai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky lang xa hoi. hieu ve cham duc ((ban nhanh) OR (ban thanh)) hai ((cua tre) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky lang xa hoi. hieu ve cham duc ((ban nhanh) OR (ban thanh)) hai ((cua tre) or (cua te))*".