Perhaps you should try some spelling variations:
truong cao » truong dai
dang trong » dung trong, dong trong, lang trong
hieu xanh » chieu xanh, hieu manh, hieu nganh
trung cua » truong cua, trung tuan, trung cap
doc hieu » toc thieu, hoc thieu, hoc hien
cac toan » cac khoan, hach toan, cac thanh
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 - thanh ((trung cua) or (truong cao)) dang trong cac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - thanh ((trung cua) OR (truong cao)) dang trong cac toan ban.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - thanh ((trung cua) or (truong cao)) dang trong cac toan ban*.