Perhaps you should try some spelling variations:
"khien dong tham dinh f.c." » "nhiet dong tham dinh f.c.", "dien dong tham dinh f.c.", "bien dong tham dinh f.c.", "khien dong tam dinh f.c.", "khien hong tham dinh f.c.", "khien dong thap dinh f.c.", "khien dong thai binh f.c.", "khien dong than kinh f.c.", "khien dong pham minh f.c.", "khien dong tham dinh cac.", "khien dong tham dinh doc.", "khien dong tham dinh hoc."
"diep quang lam sinh hoc." » "dinh quang lam sinh hoc.", "diep quang nam sinh hoc.", "diep dung lam sinh hoc.", "diep quang cao sinh hoc.", "diep quang lam tinh hoc.", "diep quang tam sinh hoc.", "diep quang lam linh hoc."
"thep dang nam dinh duc." » "thep bang nam dinh duc.", "thien dang nam dinh duc.", "ghep tang nam dinh duc.", "thep dong nam dinh duc.", "thep dan nam dinh duc.", "thep dung nam dinh duc.", "thep dang nam minh duc.", "thep dang nam ninh duc.", "thep dang nam tinh 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 dang nam dinh duc.") or ((("diep quang lam sinh hoc.") or ("khien dong tham dinh f.c."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("thep dang nam dinh duc.") OR ((("diep quang lam sinh hoc.") OR ("khien dong tham dinh f.c.")))).
• Removing quotes may allow a broader search: (( thep dang nam dinh duc. ) or ((( diep quang lam sinh hoc. ) or ( khien dong tham dinh f.c. )))).
• Adding a wildcard symbol may retrieve word variants: (("thep dang nam dinh duc.") or ((("diep quang lam sinh hoc.") or ("khien dong tham dinh f.c."))))*.