Perhaps you should try some spelling variations:
toan thuong » toan thong, ton thuong, than thuong
tuan thuong » than thuong, thanh thuong, phan thuong
nhieu tang » chieu sang, nhiet nang
hanh trung » thanh trung, hanh trang, manh trung
hieu lang » chieu sang, hieu quang, hieu van
cong lang » cong vang, cong luong, cong quang
lang toan » dang toan, lang thang, lang thanh
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: theo ((nhieu tang) or (hieu lang)) - hanh trung ((tuan thuong) OR (toan thuong)) cong lang toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((nhieu tang) OR (hieu lang)) - hanh trung ((tuan thuong) OR (toan thuong)) cong lang toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((nhieu tang) or (hieu lang)) - hanh trung ((tuan thuong) OR (toan thuong)) cong lang toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((nhieu tang) or (hieu lang)) - hanh trung ((tuan thuong) OR (toan thuong)) cong lang toan cao*.