Perhaps you should try some spelling variations:
kham duc » pham duc, kham cuoc, pham duy
xanh lam » hanh lam, dinh lam, xanh a
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty tang » tay tang, ty xang, ty hang
hieu vu » hieu va, hieu ve, hieu su
vu kham » vu khanh
va xanh » va danh, va hanh, va anh
lam cua » nam cua, lam chat
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, ma hoa, me hoi

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) or (xa hoi)). hieu vu kham duc va xanh lam cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty tang ((ma hoi) OR (xa hoi)). hieu vu kham duc va xanh lam cua tre*.