Perhaps you should try some spelling variations:
lieu tinh » trieu tinh, diep tinh, bien tinh
canh manh » lanh manh, canh tranh, cach mang
hang nong » thang long
manh cua » doanh cua, ban cua
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban
ho lieu » so lieu, co lieu, ho kieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho lieu tinh - canh manh cua ((hang nong) or (han tong)) dan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho lieu tinh - canh manh cua ((hang nong) OR (han tong)) dan ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho lieu tinh - canh manh cua ((hang nong) or (han tong)) dan ((toan cau) or (toan tap))*.