Perhaps you should try some spelling variations:
"thep nang lam tinh hoc." » "thep bang lam tinh hoc.", "thien nang lam tinh hoc.", "phap nang lam tinh hoc.", "thep nong lam tinh hoc.", "thep mang lam tinh hoc.", "thep nang ha tinh hoc.", "thep nang ban tinh hoc.", "thep nang dac tinh hoc.", "thep nang lam sinh hoc.", "thep nang lam tin hoc.", "thep nang lam hinh hoc."
"them hanh nam dinh thi." » "them thanh nam dinh thi.", "tiem hanh nam dinh thi.", "thuc hanh nam dinh thi.", "them hanh lam dinh thi.", "them hanh ngay dinh thi.", "them hanh nam dinh tri."
"tao mang may tinh f.c." » "tao bang may tinh f.c.", "tao pang may tinh f.c.", "tao zhang may tinh f.c.", "tao mang may tinh bac.", "tao mang may tinh duc.", "tao mang may tinh pc."

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

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