Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
canh tinh » hanh tinh, manh tinh, canh tranh
nang cong » nang song, dang cong, bang cong
cong manh » cong danh, duong manh, cong thanh
tinh van » trinh van, dinh van, tinh va
van nang » van quang, van ban, van dong
toan ban » van 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 ((chieu sang) OR (hieu lang)) - canh tinh van nang cong manh ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - canh tinh van nang cong manh ((toan tap) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (hieu lang)) - canh tinh van nang cong manh ((toan tap) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (hieu lang)) - canh tinh van nang cong manh ((toan tap) or (toan ban))*.