Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
canh manh » lanh manh, canh tranh, cach mang
dung cong » dung trong
ho chiet » ho chieu, hoc thiet, hoa thiet
ho thiet » hoc thiet, hoa thiet, so thiet
manh cua » doanh cua, ban cua
tan phan » toan phan, than phan, van phan
phan cau » phan dau, phan cac, phan tu

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

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