Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
va thong » va thuong, va phuong, va cong
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan ban » can ban, chat ban, chan nan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - thanh trung ((va thong) or (he thong)) cong dan chan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh trung ((va thong) OR (he thong)) cong dan chan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh trung ((va thong) or (he thong)) cong dan chan ban*.