Perhaps you should try some spelling variations:
trung thanh » truong thanh
nhung cong » dung cong, thong cong, hang cong
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cong dan » cong san, cong tan, huong dan
dan khan » dan khanh, dan chan, dan than
khan cap » khan ap, than cap, khoan cam

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc thieu)) xanh - manh ((trung cua) OR (trung thanh)) nhung cong dan khan cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) OR (hoc thieu)) xanh - manh ((trung cua) or (trung thanh)) nhung cong dan khan cap~".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) OR (hoc thieu)) xanh - manh ((trung cua) or (trung thanh)) nhung cong dan khan cap*.