Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
nhanh thang » nhanh thanh, nhanh quang, nhanh chong
hanh trang » thanh trung, canh tranh, hanh trinh
luan nhung » luan chung, luan hung, quan nhung
hien hanh » dieu hanh
doan than » dan than, doan phan, doanh thanh
doan tuan » doan quan, doanh luan, doan quang

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 - ((hanh trang) or (nhanh thang)) luan nhung phuong ((doan than) OR (doan tuan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - ((hanh trang) OR (nhanh thang)) luan nhung phuong ((doan than) OR (doan tuan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien hanh - ((hanh trang) or (nhanh thang)) luan nhung phuong ((doan than) OR (doan tuan)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - ((hanh trang) or (nhanh thang)) luan nhung phuong ((doan than) OR (doan tuan)) cao*.