Perhaps you should try some spelling variations:
"thep hanh kem dinh f.c." » "thep hinh kem dinh f.c.", "them thanh kem dinh f.c.", "thuc hanh kem dinh f.c.", "thep hanh kiem dinh f.c.", "thep hanh kim dinh f.c.", "thep hanh kien dinh f.c.", "thep hanh kem dinh cac.", "thep hanh kem dinh doc.", "thep hanh kem dinh luc."
"thep xanh lam dinh hoc." » "heo xanh lam dinh hoc.", "thep bang lam dinh hoc.", "thep hinh lam dinh hoc.", "thep hanh lam dinh hoc.", "thep dinh lam dinh hoc.", "thep xanh a dinh hoc.", "thep xanh nam dinh hoc.", "thep xanh lam tinh hoc.", "thep xanh lam linh hoc.", "thep xanh lam sinh hoc.", "thep xanh lam hinh hoc."
"thep van lam dinh duc." » "thep van nam dinh duc.", "thep van lam tinh duc.", "thep van lam linh duc.", "ghep van lam dinh duc.", "theo van lam dinh duc.", "thep bang lam dinh duc.", "thep van lam minh duc.", "thep van lam 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: (((("thep hanh kem dinh f.c.") or ("thep xanh lam dinh hoc."))) or ("thep van lam dinh duc."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thep hanh kem dinh f.c.") OR ("thep xanh lam dinh hoc."))) OR ("thep van lam dinh duc.")).
• Removing quotes may allow a broader search: (((( thep hanh kem dinh f.c. ) or ( thep xanh lam dinh hoc. ))) or ( thep van lam dinh duc. )).
• Adding a wildcard symbol may retrieve word variants: (((("thep hanh kem dinh f.c.") or ("thep xanh lam dinh hoc."))) or ("thep van lam dinh duc."))*.