Perhaps you should try some spelling variations:
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
hien tinh » khien tinh, thien tinh, bien tinh
truong ca » truong va, trong ca, truong dai
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban

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 tinh - manh ((truong cao) or (truong ca)) nhung cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien tinh - manh ((truong cao) OR (truong ca)) nhung cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien tinh - manh ((truong cao) or (truong ca)) nhung cong dan toan ban*.