Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
thanh phan » thanh pho, thanh san, thanh toan
chua xang » chua nang, chuc nang, chu bang
nhan dang » nhan dan, phan dang, tran dang
dang luan » dung luan, tang luan, hang luan
luan nang » luan van, van nang, luan san
nang cong » nang song, dang cong, bang cong
chu manh » ho manh, chu han, chu van
phan san » phan van, phan lan, pha san

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

• Performing a fuzzy search may retrieve terms with similar spellings: cua ((chu manh) or (chua xang)) - nhan dang luan nang cong thanh phan san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cua ((chu manh) OR (chua xang)) - nhan dang luan nang cong thanh phan san.
• Adding a wildcard symbol may retrieve word variants: cua ((chu manh) or (chua xang)) - nhan dang luan nang cong thanh phan san*.