Perhaps you should try some spelling variations:
"thep hinh lam tinh f.c." » "thi hinh lam tinh f.c.", "tap hinh lam tinh f.c.", "phap hinh lam tinh f.c.", "thep dinh lam tinh f.c.", "thep hanh lam tinh f.c.", "thep sinh lam tinh f.c.", "thep hinh may tinh f.c.", "thep hinh ha tinh f.c.", "thep hinh ban tinh f.c.", "thep hinh lam tinh bac.", "thep hinh lam tinh duc.", "thep hinh lam tinh pc."
"thep hanh kem tinh hoc." » "them thanh kem tinh hoc.", "thi hanh kem tinh hoc.", "chap hanh kem tinh hoc.", "thep hanh ke tinh hoc.", "thep hanh ket tinh hoc.", "thep hanh kieu tinh hoc.", "thep hanh kem sinh hoc.", "thep hanh kem tin hoc.", "thep hanh kem hinh hoc."
"thuc hanh ve tinh f.c." » "thuc hanh ve tinh bac.", "thuc hanh ve tinh duc.", "thuc hanh ve tinh pc.", "thuc hanh vi tinh f.c.", "thuc hanh va tinh f.c."

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

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