Perhaps you should try some spelling variations:
nhung trong » hung trong, thuong trong, nguong trong
nhung tuong » nhung huong, nhung phuong, hung vuong
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
tranh cua » doanh cua, manh cua
tai cao » thai cao, tao cao, tai sao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) OR (chieu xanh)) - canh tranh cua ((nhung trong) or (nhung tuong)) von tai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - canh tranh cua ((nhung trong) OR (nhung tuong)) von tai cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (chieu xanh)) - canh tranh cua ((nhung trong) or (nhung tuong)) von tai cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (chieu xanh)) - canh tranh cua ((nhung trong) or (nhung tuong)) von tai cao*.