Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
thuong cua » thong cua, truong cua, tuong cua
hieu lang » hieu quang, nhieu tang, hieu van
huong cua » dung cua
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan tap » toan 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 sang)) - thanh ((thuong cua) or (huong cua)) trong cong manh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu sang)) - thanh ((thuong cua) OR (huong cua)) trong cong manh toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) OR (chieu sang)) - thanh ((thuong cua) or (huong cua)) trong cong manh toan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) OR (chieu sang)) - thanh ((thuong cua) or (huong cua)) trong cong manh toan tap*.