Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
canh manh » lanh manh, canh tranh, cach mang
cong cong » cong dong, trong cong, dung cong
cong tran » cong tan, cong tuan, cong toan
doi lieu » duoc lieu, doi chieu, du lieu
manh cua » doanh cua, ban cua
quang » quan

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 - canh manh cua cong cong tran quang nam~.
• Adding a wildcard symbol may retrieve word variants: doi lieu tinh - canh manh cua cong cong tran quang nam*.