Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
hien hanh » dieu hanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
tuong dan » huong dan, tung dan, xuong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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 hanh - canh tranh cua nhung tuong dan chan cau~.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - canh tranh cua nhung tuong dan chan cau*.