Perhaps you should try some spelling variations:
hanh trong » anh trong, hinh trong, chinh trong
chieu sang » chieu sach, chieu xanh, nhieu tang
hanh trang » thanh trung, canh tranh, hanh trinh
hieu lang » hieu quang, nhieu tang, hieu van
hang cong » dang cong, hang nong, bang cong
ban thanh » ban hanh, ban hang
thanh tap » thanh lap, thanh tai, thanh tay
van hang » van khang, van hoang, van thang
cong ban » cong bang, cong san, cong tan

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 trong) OR (hanh trang)) van hang cong ban thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - ((hanh trong) OR (hanh trang)) van hang cong ban thanh tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (hieu lang)) - ((hanh trong) OR (hanh trang)) van hang cong ban thanh tap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu lang)) - ((hanh trong) OR (hanh trang)) van hang cong ban thanh tap*.