Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
nhanh mang » nhanh lang, hanh mang, nhanh quang
cong ngang » cong nhan, cong quang, cong lang
hieu lang » chieu sang, hieu quang, hieu van
cong cong » cong dong, trong cong, dung cong
mang va » mang vua, hang va, bang va
va cong » tai cong, cua cong

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((nhieu tang) or (hieu lang)) - nhanh mang va cong cong ngang ((toan ban) OR (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((nhieu tang) OR (hieu lang)) - nhanh mang va cong cong ngang ((toan ban) OR (van ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((nhieu tang) or (hieu lang)) - nhanh mang va cong cong ngang ((toan ban) OR (van ban))".
• Adding a wildcard symbol may retrieve word variants: ho ((nhieu tang) or (hieu lang)) - nhanh mang va cong cong ngang ((toan ban) OR (van ban))*.