Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
trinh han » trinh quan
tinh cua » trinh cua, sinh cua, tinh chat
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (chieu xanh)) - hanh ((tinh cua) or (trinh han)) nhung cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu xanh)) - hanh ((tinh cua) OR (trinh han)) nhung cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu xanh)) - hanh ((tinh cua) or (trinh han)) nhung cong dan toan ban*.