Perhaps you should try some spelling variations:
truong dong » trong dong, truong dang, tuong dong
truong cong » trong cong, truong long, truong chung
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, doi chieu
vang tai » hang tai, tang tai, sang tai
van tai » von tai, van tuan

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

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