Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu sang » chieu sach, chieu xanh, nhieu tang
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
dan chinh » dang chinh, lan chinh, van chinh
trinh va » trinh van, trinh vat, trinh ve
cong dan » cong san, cong tan, huong dan
chinh ca » chinh ta, chinh va, chinh tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sang) or (hieu lang)) - hanh trinh va nhung cong dan chinh ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (hieu lang)) - hanh trinh va nhung cong dan chinh ca.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) or (hieu lang)) - hanh trinh va nhung cong dan chinh ca*.