Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu sang » chieu sang, tieu dung, tiem nang
canh tinh » hanh tinh, manh tinh, canh tranh
hang nong » thang long, han tong
tinh vat » trinh vat, sinh vat, tinh va
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sang - canh tinh vat ((nhung cong) or (hang nong)) dan ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - canh tinh vat ((nhung cong) OR (hang nong)) dan ((phan cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - canh tinh vat ((nhung cong) or (hang nong)) dan ((phan cau) or (phan cac))*.