Perhaps you should try some spelling variations:
hoc chieu » hoc thieu, ho chieu, hoc dieu
anh quang » anh xquang, anh quan, nhanh quang
dung cong » dung trong
anh dong » anh huong, anh son
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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 (hoc hien)) xanh - ((anh dong) or (anh quang)) cua dung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc hien)) xanh - ((anh dong) OR (anh quang)) cua dung cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc hien)) xanh - ((anh dong) or (anh quang)) cua dung cong dan than cau*.