Perhaps you should try some spelling variations:
chung nguong » nhung nguoi, hung vuong, dung nguon
luan chung » luan chinh
nguong dan » huong dan
dieu danh » tieu danh, dia danh, dien anh
anh dung » anh dong, anh huong, sach dung
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: theo ((dieu danh) or (dieu hanh)) - anh dung luan chung nguong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((dieu danh) OR (dieu hanh)) - anh dung luan chung nguong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((dieu danh) or (dieu hanh)) - anh dung luan chung nguong dan toan cau*.