Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
chieu sang » chieu sach, chieu xanh, nhieu tang
trinh quan » tinh quang, trinh luat, trinh han
hieu lang » hieu quang, nhieu tang, hieu van
tong cong » cong cong, dung cong, dang cong
van thanh » ban thanh, van tuan
thanh cao » thanh ca, thanh cac, thanh thao

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 sang) or (hieu lang)) - hanh trinh quan ((trong cong) or (tong cong)) van thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - hanh trinh quan ((trong cong) OR (tong cong)) van thanh cao.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu lang)) - hanh trinh quan ((trong cong) or (tong cong)) van thanh cao*.