Perhaps you should try some spelling variations:
nhanh mang » nhanh lang, hanh mang, nhanh quang
tdieu hanh » deu hanh, dieu danh, tiem hanh
hanh tang » hanh trang, anh tang, hanh mang
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((tdieu hanh) or (dieu hanh)) - ((hanh tang) or (nhanh mang)) cua dung cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tdieu hanh) OR (dieu hanh)) - ((hanh tang) OR (nhanh mang)) cua dung cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((tdieu hanh) or (dieu hanh)) - ((hanh tang) or (nhanh mang)) cua dung cong dan toan cau*.