Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » thong cong, hang cong, nhung don
kieu tinh » trieu tinh, diep tinh, bien tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
dung cong » dung trong
tan phan » toan phan, than phan, van phan
phan tap » phan lap, han tap, pha tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((kieu tinh) or (lieu tinh)) - hanh tranh luan ((nhung cong) OR (dung cong)) tan phan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((kieu tinh) OR (lieu tinh)) - hanh tranh luan ((nhung cong) OR (dung cong)) tan phan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((kieu tinh) or (lieu tinh)) - hanh tranh luan ((nhung cong) OR (dung cong)) tan phan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((kieu tinh) or (lieu tinh)) - hanh tranh luan ((nhung cong) OR (dung cong)) tan phan tap*.