Perhaps you should try some spelling variations:
tmanh trung » thanh trung, thanh tung, manh tung
manh trung » manh tung, thanh trung, manh hung
chai tinh » chau tinh, thai tinh, cham tinh
dang cong » dung cong
doi chai » doi chi, doi thoai, doi cua
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
va dang » van dang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chai tinh - ((manh trung) or (tmanh trung)) va dang cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chai tinh - ((manh trung) OR (tmanh trung)) va dang cong dan toan ban*.