Perhaps you should try some spelling variations:
"thep xanh may tinh f.c." » "heo xanh may tinh f.c.", "thep bang may tinh f.c.", "thep hinh may tinh f.c.", "thep hanh may tinh f.c.", "thep xanh cay tinh f.c.", "thep mang may tinh f.c.", "thep xanh may tinh hoc.", "thep xanh may tinh duc.", "thep xanh may tinh pc."
"thep hanh lam tinh f.c." » "thep hinh lam tinh f.c.", "them thanh lam tinh f.c.", "thuc hanh lam tinh f.c.", "thep hanh lam tinh hoc.", "thep hanh lam tinh duc.", "thep hanh lam tinh pc.", "thep thanh lap tinh f.c.", "thep hanh kem tinh f.c.", "thep hanh va tinh f.c.", "thep hanh ha tinh f.c.", "thep hanh ban tinh f.c.", "thep hanh dac tinh f.c."
"thep hanh lam tinh bac." » "thep hinh lam tinh bac.", "them thanh lam tinh bac.", "thuc hanh lam tinh bac.", "thep thanh lap tinh bac.", "thep hanh kem tinh bac.", "thep hanh va tinh bac.", "thep hanh ha tinh bac.", "thep hanh ban tinh bac.", "thep hanh dac tinh bac.", "thep hanh lam tinh cach.", "thep hanh lam tinh hoc.", "thep hanh lam tinh lao."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("thep xanh may tinh f.c.") or ((("thep hanh lam tinh f.c.") OR ("thep hanh lam tinh bac."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("thep xanh may tinh f.c.") OR ((("thep hanh lam tinh f.c.") OR ("thep hanh lam tinh bac.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"thep xanh may tinh f.c.\") or (((\"thep hanh lam tinh f.c.\") OR (\"thep hanh lam tinh bac.\"))))".
• Removing quotes may allow a broader search: (( thep xanh may tinh f.c. ) or ((( thep hanh lam tinh f.c. ) OR ( thep hanh lam tinh bac. )))).
• Adding a wildcard symbol may retrieve word variants: (("thep xanh may tinh f.c.") or ((("thep hanh lam tinh f.c.") OR ("thep hanh lam tinh bac."))))*.