Perhaps you should try some spelling variations:
trung thanh » truong thanh
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung tam, tran tuan, truong thanh
dang trong » dung trong, dong trong, lang trong
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: hoc ((thieu xanh) OR (chieu xanh)) - thanh ((trung tuan) or (trung thanh)) dang trong cac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - thanh ((trung tuan) OR (trung thanh)) dang trong cac toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (chieu xanh)) - thanh ((trung tuan) or (trung thanh)) dang trong cac toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (chieu xanh)) - thanh ((trung tuan) or (trung thanh)) dang trong cac toan ban*.