Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
hanh tranh » canh tranh, hanh trinh, hanh trang
kieu tinh » lieu tinh, trieu tinh, diep tinh
tranh cua » doanh cua, manh cua
dung cong » dung trong
van nhanh » van hanh, van khanh, van nhan
van thanh » ban thanh, van tuan
ho kieu » ho lieu, so kieu, thi 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 kieu tinh - hanh tranh cua ((nhung cong) OR (dung cong)) ((van nhanh) or (van thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho kieu tinh - hanh tranh cua ((nhung cong) OR (dung cong)) ((van nhanh) OR (van thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho kieu tinh - hanh tranh cua ((nhung cong) OR (dung cong)) ((van nhanh) or (van thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: ho kieu tinh - hanh tranh cua ((nhung cong) OR (dung cong)) ((van nhanh) or (van thanh)) cau*.