Perhaps you should try some spelling variations:
pham duy » pham duc
hanh lam » thanh lap, hanh kem, hanh va
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
hieu vu » hieu va, hieu ve, hieu su
va hanh » van hanh, va thanh, va danh
lam cua » nam cua, lam chat
cua tre » cua te, cuu tre, cua triet
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: vu sach ky tang ma hoi. hieu vu ((pham duy) or (cham soc)) va hanh lam cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky tang ma hoi. hieu vu ((pham duy) OR (cham soc)) va hanh lam cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sach ky tang ma hoi. hieu vu ((pham duy) or (cham soc)) va hanh lam cua tre*.