Perhaps you should try some spelling variations:
quang toan » quang tuan, quang tran, quang doan
tinh dung » trinh dung, tin dung, tinh huong
hieu luat » hieu qua
kiem soat » kiem toan
dung san » dong san, dung sai, dung luan
co hieu » cao hieu, doc hieu
toan va » doan va, tran van, toan ban
va kiem » van kien
san co » ban co, sang cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tinh dung san co hieu luat ) OR ( tinh quang toan va kiem soat ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tinh dung san co hieu luat ) OR ( tinh quang toan va kiem soat ))".
• Adding a wildcard symbol may retrieve word variants: (( tinh dung san co hieu luat ) OR ( tinh quang toan va kiem soat ))*.