Perhaps you should try some spelling variations:
canh trang » canh tranh, hanh trang, banh trang
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
van thanh » ban thanh, van tuan
trang va » tran van, hang va
van toan » van tuan, van tan, manh toan

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 manh) OR (chieu sang)) - canh trang va nhung cong ((van toan) OR (van thanh)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) OR (chieu sang)) - canh trang va nhung cong ((van toan) OR (van thanh)) cao".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) OR (chieu sang)) - canh trang va nhung cong ((van toan) OR (van thanh)) cao*.