Perhaps you should try some spelling variations:
thi trinh » tho trinh, thi thanh, thi minh
trinh nam » trinh ngam, tinh nam, trinh tam
nam trinh » lap trinh, nam dinh, nam trong
thep hanh » thep hinh, them thanh, thuc hanh
trinh co » trinh do, trinh cong, trinh hoa
hanh nam » thanh nam, hanh lam, hanh ngay
tinh duc » minh duc, dinh duc, ninh duc

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( thi trinh nam trinh co. ) or ( thep hanh nam ((dinh so) or (tinh duc)). ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( thi trinh nam trinh co. ) OR ( thep hanh nam ((dinh so) OR (tinh duc)). )).
• Adding a wildcard symbol may retrieve word variants: (( thi trinh nam trinh co. ) or ( thep hanh nam ((dinh so) or (tinh duc)). ))*.