Perhaps you should try some spelling variations:
thanh tung » thanh cong
hieu lang » chieu sang, hieu quang, nhieu tang
chua hang » cua hang, chua xang, chua bang
chua nang » chuc nang, chua xang, kha nang
cong manh » cong danh, duong manh, cong thanh
nho hieu » nha hieu, nho sieu, nhu hieu
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: nho hieu lang - thanh tung ((chua hang) OR (chua nang)) cong manh ((toan cau) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho hieu lang - thanh tung ((chua hang) OR (chua nang)) cong manh ((toan cau) OR (van ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "nho hieu lang - thanh tung ((chua hang) OR (chua nang)) cong manh ((toan cau) or (van ban))".
• Adding a wildcard symbol may retrieve word variants: nho hieu lang - thanh tung ((chua hang) OR (chua nang)) cong manh ((toan cau) or (van ban))*.