Perhaps you should try some spelling variations:
truong pho » truong khoa, truong cao, truong bo
hieu xanh » chieu xanh, hieu manh, hieu nganh
trong pho » trong tho, trong cho, trong phong
doc hieu » toc thieu, hoc thieu, hoc hien
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
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: doc hieu xanh - hanh ((trong pho) or (truong pho)) thong ((cong tan) OR (cong tac)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hanh ((trong pho) OR (truong pho)) thong ((cong tan) OR (cong tac)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - hanh ((trong pho) or (truong pho)) thong ((cong tan) OR (cong tac)) toan ban".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh ((trong pho) or (truong pho)) thong ((cong tan) OR (cong tac)) toan ban*.