Perhaps you should try some spelling variations:
lieu tinh » diep tinh, bien tinh
canh manh » lanh manh, canh tranh, cach mang
dong cong » duong cong, dung cong, dang cong
cong vang » cong lang, cong quang, cong ngang
vang phan » van phan, nang phan, quang phan
manh cua » doanh cua, ban cua
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: doi ((lieu tinh) OR (trieu tinh)) - canh manh cua dong cong vang phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((lieu tinh) OR (trieu tinh)) - canh manh cua dong cong vang phan tu".
• Adding a wildcard symbol may retrieve word variants: doi ((lieu tinh) OR (trieu tinh)) - canh manh cua dong cong vang phan tu*.