Perhaps you should try some spelling variations:
trung thanh » truong thanh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
trung tan » trung tuan, trung tran, trung tang
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan va » doan va, dan ca, ban va
va dau » va dao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu tinh - hanh ((trung tan) or (trung thanh)) dung cong dan va dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - hanh ((trung tan) OR (trung thanh)) dung cong dan va dau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - hanh ((trung tan) or (trung thanh)) dung cong dan va dau*.