Perhaps you should try some spelling variations:
"thien thanh lap trinh f.c." » "tien thanh lap trinh f.c.", "thi thanh lap trinh f.c.", "hien hanh lap trinh f.c.", "thien thanh san trinh f.c.", "thien phan lap trinh f.c.", "thien thanh hai trinh f.c.", "thien thanh lap trinh c.", "thien thanh lap trinh doc.", "thien thanh lap trinh cac."
"thep hanh lam linh duc." » "thep hinh lam linh duc.", "them thanh lam linh duc.", "thuc hanh lam linh duc.", "thep hanh kem linh duc.", "thep hanh va linh duc.", "thep dinh lam linh duc.", "thep hanh tam linh duc.", "thep hanh lam tinh duc.", "thep hanh nam linh duc.", "thep hanh lam minh duc.", "thep hanh lam ninh duc."
"phap dinh tham dinh duc." » "phan dinh tham dinh duc.", "pham dinh tham dinh duc.", "phap sinh tham dinh duc.", "phap dinh tam dinh duc.", "phap dinh than dinh duc.", "phap dinh nham dinh duc.", "phap dinh nam dinh duc.", "phap dinh thai binh duc.", "phap dinh than kinh duc.", "phap dinh tham minh duc.", "phap dinh tham ninh duc.", "phap dinh tham 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: (("thien thanh lap trinh f.c.") or ((("thep hanh lam linh duc.") or ("phap dinh tham dinh duc."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("thien thanh lap trinh f.c.") OR ((("thep hanh lam linh duc.") OR ("phap dinh tham dinh duc.")))).
• Removing quotes may allow a broader search: (( thien thanh lap trinh f.c. ) or ((( thep hanh lam linh duc. ) or ( phap dinh tham dinh duc. )))).
• Adding a wildcard symbol may retrieve word variants: (("thien thanh lap trinh f.c.") or ((("thep hanh lam linh duc.") or ("phap dinh tham dinh duc."))))*.