Perhaps you should try some spelling variations:
duc thuan » duc tan, duc thang, duc phan
thuan anh » tuan anh, thuan thanh, thuat lanh
hieu cao » chieu cao, hieu cac, hieu ca
chat duc » chat xuc, chat doc, chet duoc
ve triet » va trien, su triet
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
anh lam » hanh lam, xanh lam, anh cam
lam ve » la ve, lam vu, nam ve
x hoi » xa hoi, x ho, 5 hoi
o hoi » co hoi, o hoc, o hai

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 nang ((x hoi) or (o hoi)). hieu cao chat duc thuan anh lam ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang ((x hoi) OR (o hoi)). hieu cao chat duc thuan anh lam ve triet.
• Adding a wildcard symbol may retrieve word variants: su sach ty nang ((x hoi) or (o hoi)). hieu cao chat duc thuan anh lam ve triet*.