Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
nhieu tang » chieu sang, nhiet nang
trien cong » thien cong
hieu lang » chieu sang, hieu quang, hieu van
nha trien » nha triet, phat trien, nha truyen
cong manh » cong danh, duong manh, cong thanh
manh van » anh van, menh van, canh van

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((nhieu tang) or (hieu lang)) - thanh trong nha trien cong manh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((nhieu tang) OR (hieu lang)) - thanh trong nha trien cong manh van ban.
• Adding a wildcard symbol may retrieve word variants: theo ((nhieu tang) or (hieu lang)) - thanh trong nha trien cong manh van ban*.