Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
hoang cong » hang cong, hoang long, hoang vuong
tieu xanh » tieu danh, chieu xanh, dieu hanh
van hoang » van hoan, quan hoang, tran hoang
cong tan » cong tac, cong san, cong thanh
tan hang » tan khang, ban hang, van hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - tranh luan van hoang cong tan hang va~.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - tranh luan van hoang cong tan hang va*.