Perhaps you should try some spelling variations:
"thep xanh nam dinh van." » "heo xanh nam dinh van.", "thep bang nam dinh van.", "thep hinh nam dinh van.", "thep hanh nam dinh van.", "thep xanh lam dinh van.", "thep danh nam dinh van.", "thep xanh nam sinh vat."
"thep hanh lam dinh hoc." » "thep hinh lam dinh hoc.", "them thanh lam dinh hoc.", "thuc hanh lam dinh hoc.", "thep thanh lap dinh hoc.", "thep hanh kem dinh hoc.", "thep hanh va dinh hoc.", "thep hanh lam tinh hoc.", "thep hanh lam linh hoc.", "thep hanh tham dinh hoc.", "thep hanh lam sinh hoc.", "thep hanh lam hinh hoc."
"thep dinh nam dinh chau." » "thep hinh nam dinh chau.", "tham dinh nam dinh chau.", "hiep dinh nam dinh chau.", "thep dinh nam minh chau.", "thep dinh nam tinh chat.", "thep dinh nam dinh chi.", "thep dinh lam dinh chau.", "thep tinh nam dinh chau.", "thep dinh ba dinh chau."

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 lam dinh hoc.") or ((("thep xanh nam dinh van.") or ("thep dinh nam dinh chau."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("thep hanh lam dinh hoc.") OR ((("thep xanh nam dinh van.") OR ("thep dinh nam dinh chau.")))).
• Removing quotes may allow a broader search: (( thep hanh lam dinh hoc. ) or ((( thep xanh nam dinh van. ) or ( thep dinh nam dinh chau. )))).
• Adding a wildcard symbol may retrieve word variants: (("thep hanh lam dinh hoc.") or ((("thep xanh nam dinh van.") or ("thep dinh nam dinh chau."))))*.