Perhaps you should try some spelling variations:
"them thanh nam ninh duc." » "thien thanh nam ninh duc.", "thi thanh nam ninh duc.", "pham thanh nam ninh duc.", "them hanh nam ninh duc.", "them thanh tam ninh duc.", "them thanh pham ninh duc.", "them thanh nam dinh duc.", "them thanh nam linh duc.", "them thanh nam hinh duc.", "them thanh nam minh duc.", "them thanh nam tinh duc.", "them thanh nam sinh duoc."
"thep hanh lam dinh duc." » "thep hinh lam dinh duc.", "thuc hanh lam dinh duc.", "thi hanh lam dinh duc.", "thep thanh lap dinh duc.", "thep hanh kem dinh duc.", "thep hanh va dinh duc.", "thep hanh nam dinh duc.", "thep hanh lam tinh duc.", "thep hanh lam linh duc.", "thep hanh lam minh duc.", "thep hanh lam sinh duoc."

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