Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
chiet tach » chieu sach
bang thanh » ban thanh, dang thanh, nang thanh
tang thanh » dang thanh, trung thanh, hoang thanh
hieu lang » chieu sang, hieu quang, nhieu tang
tranh cua » doanh cua, manh cua
dong cong » duong cong, dung cong, dang cong
cua dong » chua dong, cua cong, cua dang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (chiet tach)) - hanh tranh cua dong cong ((bang thanh) OR (tang thanh)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chiet tach)) - hanh tranh cua dong cong ((bang thanh) OR (tang thanh)) cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) or (chiet tach)) - hanh tranh cua dong cong ((bang thanh) OR (tang thanh)) cap*".