Perhaps you should try some spelling variations:
trung thanh » truong thanh
chieu sang » chieu sach, chieu xanh, hieu lang
trung tuan » trung tam, tran tuan, truong thanh
truong dao » truong dai, truong cao, truong bo
luong dao » duong dao, luong giao, huong dan
ho chieu » theo chieu, hoc thieu, doi chieu
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 chieu sang - thanh ((trung tuan) or (trung thanh)) dang ((luong dao) OR (truong dao)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh ((trung tuan) OR (trung thanh)) dang ((luong dao) OR (truong dao)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh ((trung tuan) or (trung thanh)) dang ((luong dao) OR (truong dao)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh ((trung tuan) or (trung thanh)) dang ((luong dao) OR (truong dao)) toan cao*.