Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
tranh cua » doanh cua, manh cua
nong cong » cong cong, tong cong, nang cong
toan phan » thanh phan, toan ban, hoa phan
ho chieu » theo chieu, hoc thieu, mot chieu
cua nong » cua cong, cuu nong, cua dong
tan phan » than phan, van phan, tai phan

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