Perhaps you should try some spelling variations:
hinh trong » chinh trong, dinh trong, sinh trong
trong quan » thong quan, tong quan, thong quang
dung cuong » dung cong, dung luong, dang cuong
hien sang » hien trang, khien bang, chieu sang
quan dung » quang dung, quan duong, qua dung
cuong tap » luong tap, cong tac, luong tai
tap doan » tap quan
doan cao » doanh cao, toan cao, doan cap

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 sang) or (phien ban)) - hinh trong quan dung cuong tap doan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien sang) OR (phien ban)) - hinh trong quan dung cuong tap doan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien sang) or (phien ban)) - hinh trong quan dung cuong tap doan cao*.