Perhaps you should try some spelling variations:
thong trong » thuong trong, thong thong, thong thuong
nhieu tang » chieu sang, nhiet nang
trong doan » trong doanh, trong dan, trong hoan
hieu lang » chieu sang, hieu quang, hieu van
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
doan phan » doanh phan, toan phan, dan phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi ((hieu lang) or (nhieu tang)) - canh tranh cua thong trong doan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi ((hieu lang) OR (nhieu tang)) - canh tranh cua thong trong doan phan tu.
• Adding a wildcard symbol may retrieve word variants: hoi ((hieu lang) or (nhieu tang)) - canh tranh cua thong trong doan phan tu*.