Perhaps you should try some spelling variations:
"tien thanh lap trinh c." » "tien thinh lap trinh c.", "tran thanh lap trinh c.", "den thanh lap trinh c.", "tien thanh san trinh c.", "tien phan lap trinh c.", "tien thanh hai trinh c.", "tien thanh lap trinh co.", "tien thanh lap trinh _.", "tien thanh lap trinh cau."
"thep hanh kem dinh duc." » "thep hinh kem dinh duc.", "them thanh kem dinh duc.", "thuc hanh kem dinh duc.", "thep hanh kiem dinh duc.", "thep hanh kim dinh duc.", "thep hanh kien dinh duc.", "thep hanh kem minh duc.", "thep hanh kem ninh duc.", "thep hanh kem sinh duoc."
"thep dinh nam tinh duc." » "thep hinh nam tinh duc.", "tham dinh nam tinh duc.", "hiep dinh nam tinh duc.", "thep dinh lam tinh duc.", "thep tinh nam tinh duc.", "thep dinh van tinh duc.", "thep dinh nam dinh duc.", "thep dinh nam linh duc.", "thep dinh nam minh duc.", "thep dinh nam ninh duc.", "thep dinh nam 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: (("tien thanh lap trinh c.") or ((("thep hanh kem dinh duc.") or ("thep dinh nam tinh duc."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("tien thanh lap trinh c.") OR ((("thep hanh kem dinh duc.") OR ("thep dinh nam tinh duc.")))).
• Removing quotes may allow a broader search: (( tien thanh lap trinh c. ) or ((( thep hanh kem dinh duc. ) or ( thep dinh nam tinh duc. )))).
• Adding a wildcard symbol may retrieve word variants: (("tien thanh lap trinh c.") or ((("thep hanh kem dinh duc.") or ("thep dinh nam tinh duc."))))*.