Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
canh manh » lanh manh, canh tranh, cach mang
tong cong » trong cong, cong cong, dung cong
toan phan » thanh phan, hoa phan, luan phan
doi lieu » duoc lieu, doi chieu, du lieu
manh cua » doanh cua, ban cua
cua tong » cua cong, cua dong, cua nong
toan ban » van ban

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 tong cong ((toan phan) or (toan ban)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi lieu tinh - canh manh cua tong cong ((toan phan) OR (toan ban)) tu.
• Adding a wildcard symbol may retrieve word variants: doi lieu tinh - canh manh cua tong cong ((toan phan) or (toan ban)) tu*.