Perhaps you should try some spelling variations:
phap dinh » phan dinh, pham dinh, phap sinh
thuc hang » thuc hanh, thu hang, phuc hang
trinh doc » trinh hoa, trinh co, trinh hoi
dinh nam » dinh lam, tinh nam, dinh van
dinh f.c » dinh duc, dinh cac, dinh hoc
dinh doc » dinh duc, dinh ngoc, dinh so
trinh do » trinh ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( phap dinh nam dinh f.c. ) or ( thuc hang va ((dinh doc) or (((trinh doc) OR (trinh do)))). ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( phap dinh nam dinh f.c. ) OR ( thuc hang va ((dinh doc) OR (((trinh doc) OR (trinh do)))). )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( phap dinh nam dinh f.c. ) or ( thuc hang va ((dinh doc) or (((trinh doc) OR (trinh do)))). ))".
• Adding a wildcard symbol may retrieve word variants: (( phap dinh nam dinh f.c. ) or ( thuc hang va ((dinh doc) or (((trinh doc) OR (trinh do)))). ))*.