Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
hanh tran » hanh trang, thanh tran, hanh tram
trong tac » trong cac, tuong tac, trong tan
tran vat » tran van, tran viet, tran nhat
vat dung » van dung, va dung, viet dung
tac van » tac vang, cac van, tac va

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)) - hanh tran vat dung trong tac van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) OR (nhieu tang)) - hanh tran vat dung trong tac van ban".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) OR (nhieu tang)) - hanh tran vat dung trong tac van ban*.