Perhaps you should try some spelling variations:
dung cong » dung trong
ho trieu » mot trieu, 30 trieu, ho chieu
25 trieu » 30 trieu
sinh cua » manh cua, dinh cuu
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
sinh va » sinh vat, tinh va, dinh van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho trieu) OR (25 trieu)) tinh - hanh ((sinh cua) or (sinh va)) dung cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (25 trieu)) tinh - hanh ((sinh cua) OR (sinh va)) dung cong dan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho trieu) OR (25 trieu)) tinh - hanh ((sinh cua) or (sinh va)) dung cong dan toan ban".
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) OR (25 trieu)) tinh - hanh ((sinh cua) or (sinh va)) dung cong dan toan ban*.