Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chinh ung » chinh khung, chinh cong, chinh dang
dung cong » dung trong
thanh vac » thanh van, thanh bac, thanh cac
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
thanh va » thanh van, hanh va, thanh ha

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 xanh - hanh chinh ung dung cong tan ((thanh vac) or (thanh va))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh chinh ung dung cong tan ((thanh vac) OR (thanh va)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh chinh ung dung cong tan ((thanh vac) or (thanh va))*.