Perhaps you should try some spelling variations:
cong quang » luong quang, thong quang, duong quang
nhung cong » dung cong, thong cong, hang cong
quang toan » quang tuan, quang tran, quang doan
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
hanh hang » thanh hang, hang hang, hanh han
toan tap » toan 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 xanh) or (hien hanh)) - hanh hang va nhung cong quang toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - hanh hang va nhung cong quang toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien hanh)) - hanh hang va nhung cong quang toan tap*.