Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, bien tinh
nhan dang » nhan dan, phan dang, tran dang
dong cong » duong cong, dung cong, dang cong
cong manh » cong danh, duong manh, cong thanh
dang cua » dung cua, dong cua, mang cua
cua dong » chua dong, cua cong, cua dang
toan cao » toan tap
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: theo ((lieu tinh) or (diep tinh)) - nhan dang cua dong cong manh ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((lieu tinh) OR (diep tinh)) - nhan dang cua dong cong manh ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo ((lieu tinh) or (diep tinh)) - nhan dang cua dong cong manh ((toan cao) or (toan ban))*.