Perhaps you should try some spelling variations:
thep dinh » thep hinh, tham dinh, hiep dinh
thep hanh » thep hinh, them thanh, thuc hanh
dinh cac » tinh cach, dinh chuc, dinh chau
cac tinh » dac tinh, cuu tinh, ha tinh
tinh f.c » tinh hoc, tinh bac, tinh duc
bang ban » hang ban, bang bac, nang ban
ban tinh » ban thanh, quan tinh, ban hanh
hanh lam » thanh lap, hanh kem, hanh va
lam tinh » may tinh, ha tinh, dac tinh
te bang » te ban, web bang, tao bang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((( thep dinh cac tinh f.c. ) OR ( te bang ban tinh f.c. ))) OR ( thep hanh lam tinh f.c. ))~.
• Adding a wildcard symbol may retrieve word variants: (((( thep dinh cac tinh f.c. ) or ( te bang ban tinh f.c. ))) or ( thep hanh lam tinh f.c. ))*.