Perhaps you should try some spelling variations:
dung cong » dung trong
ho trieu » mot trieu, 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 cau » toan cao, toan ban, toan tap
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 tinh - hanh ((sinh cua) OR (sinh va)) dung cong dan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho trieu tinh - hanh ((sinh cua) OR (sinh va)) dung cong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: ho trieu tinh - hanh ((sinh cua) OR (sinh va)) dung cong dan toan cau*.