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 va dinh duc." » "them thanh va dinh duc.", "thuc hanh va dinh duc.", "thi hanh va dinh duc.", "thep hanh va minh duc.", "thep hanh va ninh duc.", "thep hanh va sinh duoc.", "thep hang va dinh duc.", "thep hanh vi dinh duc.", "thep hanh van dinh duc.", "thep hanh va kinh duc.", "thep hanh va tinh duc."
"thep hinh nam tinh duc." » "thi hinh nam tinh duc.", "tap hinh nam tinh duc.", "phap hinh nam tinh duc.", "thep tinh nam tinh duc.", "thep dinh nam tinh duc.", "thep hanh nam tinh duc.", "thep hinh nam dinh duc.", "thep hinh lam tinh duc.", "thep hinh nam linh duc.", "thep hinh nam minh duc.", "thep hinh nam ninh duc.", "thep hinh 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 va dinh duc.") or ("thep hinh nam tinh duc."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("tien thanh lap trinh c.") OR ((("thep hanh va dinh duc.") OR ("thep hinh nam tinh duc.")))).
• Removing quotes may allow a broader search: (( tien thanh lap trinh c. ) or ((( thep hanh va dinh duc. ) or ( thep hinh nam tinh duc. )))).
• Adding a wildcard symbol may retrieve word variants: (("tien thanh lap trinh c.") or ((("thep hanh va dinh duc.") or ("thep hinh nam tinh duc."))))*.