Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
tranh cua » doanh cua, manh cua
cong toan » cong hoan, cong tuan, cong doan
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
phan dau » phan tu, hang dau

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

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