Perhaps you should try some spelling variations:
trung thanh » truong thanh
chieu xanh » chieu tinh, hieu manh
chieu sang » hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, hieu cach
hanh trung » thanh trung, hanh trang, manh trung
thanh dung » thanh duong, thanh tung, thanh hung
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: hoc ((chieu xanh) or (((chieu sang) or (chieu sach)))) - hanh trung thanh dung cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (((chieu sang) OR (chieu sach)))) - hanh trung thanh dung cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (((chieu sang) or (chieu sach)))) - hanh trung thanh dung cong dan toan cao*.