Perhaps you should try some spelling variations:
national training » vocational training, national planning, occupational training
training can » training bank, training case, training cnns
wing yan » wing ian, wing tan, wang yang
can hong » tan hong, care hong, wang hong
hong hai » shang hai, zhong tai, dang hai
dong di » dong sin
y a » y la

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((wing yan) OR (wang yan))) or (dong di)) ((a la) or (y a)) national training can hong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wing yan) OR (wang yan))) OR (dong di)) ((a la) OR (y a)) national training can hong hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((wing yan) OR (wang yan))) or (dong di)) ((a la) or (y a)) national training can hong hai ;*".