Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
khang cong » hang cong, thanh cong, dang cong
van khang » van khanh, van thanh, van quang
tac tranh » tac thanh, tap tranh, sach tranh
tranh ban » trinh ban, tranh hang, tranh luan
chi xanh » chi anh, chi danh, chi hanh
tran van » luan van
cong tac » cong ty
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - thanh tran van khang cong tac tranh ban~.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - thanh tran van khang cong tac tranh ban*.