Perhaps you should try some spelling variations:
nhung trong » hung trong, nhung tuong, thuong trong
hieu quang » thieu quang, hieu quan, hieu qua
hieu lang » chieu sang, nhieu tang, hieu van
tranh cua » manh cua
doanh cua » doanh luan
trong van » trong cac
van tuan » van quan, van ban, anh tuan
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((hieu lang) OR (hieu quang)) - canh ((tranh cua) or (doanh cua)) nhung trong van tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu lang) OR (hieu quang)) - canh ((tranh cua) OR (doanh cua)) nhung trong van tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((hieu lang) OR (hieu quang)) - canh ((tranh cua) or (doanh cua)) nhung trong van tuan cau".
• Adding a wildcard symbol may retrieve word variants: doi ((hieu lang) OR (hieu quang)) - canh ((tranh cua) or (doanh cua)) nhung trong van tuan cau*.