Perhaps you should try some spelling variations:
hanh trong » hanh trang, anh trong, hinh trong
chieu sang » chieu sach, chieu xanh, hieu lang
trong quan » thong quan, tong quan, thong quang
hieu manh » chieu xanh, hieu nganh, dieu hanh
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
hach toan » thanh toan, manh toan
tac toan » tap toan, tam toan, tich toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chieu sang)) - hanh trong quan dung cong ((tac toan) or (hach toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sang)) - hanh trong quan dung cong ((tac toan) OR (hach toan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sang)) - hanh trong quan dung cong ((tac toan) or (hach toan)) cau*.