Perhaps you should try some spelling variations:
trinh hoa » trinh do, trinh han
dang cong » dung cong
chi tinh » chai tinh, chi minh, chi binh
tranh ha » thanh ha, trang ha, trinh ha
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi tinh - canh ((trinh hoa) or (tranh ha)) dang cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi tinh - canh ((trinh hoa) OR (tranh ha)) dang cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chi tinh - canh ((trinh hoa) or (tranh ha)) dang cong dan toan ban*.