Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
truong quan » trong quan, thong quan, luong quan
quan trong » gian trong
cong thanh » dong thanh, cong trinh, cong tan
hien tach » thien hach, chiet tach, vien bach
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien tach - thanh truong quan trong cong thanh ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien tach - thanh truong quan trong cong thanh ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc hien tach - thanh truong quan trong cong thanh ((toan tai) or (toan ban))*.