Perhaps you should try some spelling variations:
duong cong » dung cong, luong cong, duong trong
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
canh tran » canh tranh, hanh trang, banh trang
van duong » van dong, van dung, van phong
tran van » luan van
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan tu » phan tu, han tu, chon tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien xanh) or (hien hanh)) - canh tran van duong cong dan chan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - canh tran van duong cong dan chan tu.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien hanh)) - canh tran van duong cong dan chan tu*.