Perhaps you should try some spelling variations:
thanh trung » thanh tung
hanh trang » canh tranh, hanh trinh, minh trang
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
cong nong » cong dong, cong cong, cong trong
nong menh » nong tinh, song minh, tong minh
menh van » dinh van, nen van, benh 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 trang) OR (thanh trung)) cua cong nong menh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (nhieu tang)) - ((hanh trang) OR (thanh trung)) cua cong nong menh van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) or (nhieu tang)) - ((hanh trang) OR (thanh trung)) cua cong nong menh van ban".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (nhieu tang)) - ((hanh trang) OR (thanh trung)) cua cong nong menh van ban*.