Perhaps you should try some spelling variations:
nhung cong » dung cong, thong 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
hang cong » dang cong, hang nong, bang cong
phan cac » nhan cach, phan dau, phan lap
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 (hang cong)) dan ((phan cac) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho kieu tinh - hanh tranh cua ((nhung cong) OR (hang cong)) dan ((phan cac) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: ho kieu tinh - hanh tranh cua ((nhung cong) or (hang cong)) dan ((phan cac) or (phan tu))*.