Perhaps you should try some spelling variations:
"them thanh hieu tinh f.c." » "thien thanh hieu tinh f.c.", "thi thanh hieu tinh f.c.", "pham thanh hieu tinh f.c.", "them thanh thieu tinh f.c.", "them thanh hien tinh f.c.", "them thanh hiep tinh f.c.", "them thanh chieu tinh f.c.", "them thanh lieu tinh f.c.", "them thanh kieu tinh f.c.", "them thanh hieu tinh hoc.", "them thanh hieu tinh bac.", "them thanh hieu tinh duc."
"thep hanh va dinh doc." » "thep hinh va dinh doc.", "thuc hanh va dinh doc.", "thi hanh va dinh doc.", "thep hanh va dinh duc.", "thep hanh va dinh ngoc.", "thep hanh va trinh doc.", "thep hang va dinh doc.", "thep hanh vi dinh doc.", "thep hanh van dinh doc.", "thep hanh va kinh doc.", "thep hanh va tinh doc."

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

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