Perhaps you should try some spelling variations:
thanh trung » thanh tung
trong thanh » truong thanh, trung thanh, rong thanh
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
chinh sua » chinh su, chinh cua, chinh luan
trung cau » trung cap, trung ca, trung can
sua dung » suat dung, su dung, qua dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sang - hanh chinh sua dung trong thanh trung cau~.
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - hanh chinh sua dung trong thanh trung cau*.