Perhaps you should try some spelling variations:
chang cong » hang cong, chong cong, dang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
ca chang » ca chung, co chang, san chang
cong dan » cong san, cong tan, huong dan
cong ca » cong cua, cong cau, cong cac
dan ta » dan tay, dan tai, dan tra
ta cho » tap cho, tac cho, tao cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (toc thieu)) tinh - thanh cong ca chang cong dan ta cho~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (toc thieu)) tinh - thanh cong ca chang cong dan ta cho*.