Perhaps you should try some spelling variations:
hanh lam » thanh lap, hanh kem, hanh va
cham duc » pham duc, pham duy, phan duc
van hanh » van thanh, ban hanh, van anh
su sach » so sach, vu sach
ty tang » tay tang, ty xang, ty hang
tang ma » mang may, tang van
cua tre » cuu tre, cua triet, dua tren
hieu va » lieu va, hieu qua
sach ty » sach y, sach tu, sach thu
cua te » cua tu
ma hoi » mai hoi, xa hoi, ma hoa

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 ty tang ma hoi. hieu va ((cham duc) or (cham soc)) van hanh lam ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty tang ma hoi. hieu va ((cham duc) OR (cham soc)) van hanh lam ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty tang ma hoi. hieu va ((cham duc) or (cham soc)) van hanh lam ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: su sach ty tang ma hoi. hieu va ((cham duc) or (cham soc)) van hanh lam ((cua tre) OR (cua te))*.