Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
lanh hanh » lanh manh, lenh hanh, xanh hanh
dang cong » dung cong
cong dan » cong san, cong tan, huong dan
toan cao » toan ban, toan tap
hanh va » hang va, hanh vi
va dang » van dang, va nang, va lang

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) or (chieu sang)) - lanh hanh va dang cong dan ((toan cao) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sang)) - lanh hanh va dang cong dan ((toan cao) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sang)) - lanh hanh va dang cong dan ((toan cao) or (van ban))*.