Perhaps you should try some spelling variations:
trong xuong » trong luong, trong tuong, trong muong
hien nhanh » thien thanh, tien thanh, dien thanh
hien hanh » dieu hanh
tranh cua » doanh cua, manh cua
cua trong » cua truong, cua trung, qua trong
xuong dan » huong dan, xuong san, tuong 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 ((hien nhanh) or (hien hanh)) - canh tranh cua trong xuong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien nhanh) OR (hien hanh)) - canh tranh cua trong xuong dan toan cau*.