Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
luong cong » dung cong, trong cong, cong cong
lieu tinh » trieu tinh, diep tinh, bien tinh
canh tran » canh tranh, hanh trang, banh trang
toan phan » thanh phan, toan ban, luan phan
tran van » luan van
hoa phan » hoa dan, co phan
ho lieu » so lieu, co lieu, ho kieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu tinh - canh tran van ((nhung cong) or (luong cong)) ((toan phan) or (hoa phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - canh tran van ((nhung cong) OR (luong cong)) ((toan phan) OR (hoa phan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - canh tran van ((nhung cong) or (luong cong)) ((toan phan) or (hoa phan)) cau*.