Perhaps you should try some spelling variations:
doanh cua » doanh luan
trinh van » trinh han, trinh quan, trinh toan
dung cong » dung trong
ho trieu » mot trieu, 25 trieu, 30 trieu
manh cua » ban cua
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: ho trieu tinh - hanh ((((manh cua) or (doanh cua))) or (trinh van)) dung cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho trieu tinh - hanh ((((manh cua) OR (doanh cua))) OR (trinh van)) dung cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: ho trieu tinh - hanh ((((manh cua) or (doanh cua))) or (trinh van)) dung cong dan toan ban*.