Perhaps you should try some spelling variations:
cong luong » cong thuong, nang luong, cong dong
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
luong van » luong va, duong van, luong vat
ban quan » van quan
van tuan » van quan, van ban, anh tuan
tuan mau » thanh mau, lluan mau, trang mau

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