Perhaps you should try some spelling variations:
manh trung » manh tung, thanh trung, manh hung
nhieu tang » chieu sang, nhiet nang
thong tinh » thuong tinh, thong tin, thong minh
hieu lang » chieu sang, hieu quang, hieu van
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
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 ((hieu lang) OR (nhieu tang)) - manh trung cua thong thong tinh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) OR (nhieu tang)) - manh trung cua thong thong tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) OR (nhieu tang)) - manh trung cua thong thong tinh toan ban*.