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