Perhaps you should try some spelling variations:
van nhuong » van chuong, van phuong, van huong
chuc danh » chuc nganh, thuc hanh, chuc nang
chua xang » chua nang, chuc nang, chu bang
hanh tang » hanh trang, anh tang, hanh mang
van nhung » va nhung, van hung, van phung
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc danh) OR (chua xang)) - hanh tang ((van nhung) OR (van nhuong)) cong dan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chuc danh) or (chua xang)) - hanh tang ((van nhung) OR (van nhuong)) cong dan toan cau~".
• Adding a wildcard symbol may retrieve word variants: theo ((chuc danh) or (chua xang)) - hanh tang ((van nhung) OR (van nhuong)) cong dan toan cau*.