Perhaps you should try some spelling variations:
"thuc hanh kien dinh duc." » "thuc danh kien dinh duc.", "thuc anh kien dinh duc.", "thuc thanh vien dinh duc.", "thuc hanh kiem dinh duc.", "thuc hanh kien kinh duc.", "thuc hanh kien sinh duc.", "thuc hanh kien minh duc.", "thuc hanh kien ninh duc.", "thuc hanh kien tinh duc.", "thu hanh kien dinh duc."
"thep hinh tao trinh doc." » "thi hinh tao trinh doc.", "tap hinh tao trinh doc.", "phap hinh tao trinh doc.", "thep hinh tao tinh doc.", "thep hinh tho trinh doc.", "thep hinh giao trinh doc.", "thep hinh tao trinh do.", "thep hinh tao trinh hoa.", "thep hinh tao trinh co.", "thep hinh tai trinh doc.", "thep chinh tai trinh doc.", "thep hinh thai trinh doc."
"thai mang lam dinh f.c." » "thai bang lam dinh f.c.", "thai hang lam dinh f.c.", "thai tang lam dinh f.c.", "thai mang lai dinh f.c.", "thai mang mam dinh f.c.", "thai mang nam dinh f.c.", "thai mang lam tinh f.c.", "thai mang lam linh f.c.", "thai mang lam dinh cac.", "thai mang lam dinh doc.", "thai mang lam dinh hoc."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("thuc hanh kien dinh duc.") or ("thep hinh tao trinh doc."))) or ("thai mang lam dinh f.c."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc hanh kien dinh duc.") OR ("thep hinh tao trinh doc."))) OR ("thai mang lam dinh f.c.")).
• Removing quotes may allow a broader search: (((( thuc hanh kien dinh duc. ) or ( thep hinh tao trinh doc. ))) or ( thai mang lam dinh f.c. )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc hanh kien dinh duc.") or ("thep hinh tao trinh doc."))) or ("thai mang lam dinh f.c."))*.