Perhaps you should try some spelling variations:
trong truong » trong thuong, trong tuong, trong trong
nhung trong » hung trong, nhung tuong, thuong trong
truong toan » truong ton, trong toan, truong tan
chieu tinh » trieu tinh, lieu tinh, chau tinh
hieu lang » chieu sang, hieu quang, nhieu tang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
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: ho ((hieu lang) or (chieu tinh)) - canh tranh cua nhung trong truong toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu tinh)) - canh tranh cua nhung trong truong toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu tinh)) - canh tranh cua nhung trong truong toan cao*.