Perhaps you should try some spelling variations:
nhanh dinh » nhanh tinh, hanh dinh, nhan dinh
thong cong » trong cong, tong cong, thong thong
lieu tinh » trieu tinh, diep tinh
bien tinh » bi tinh, yen tinh, diep tinh
van thong » van thuong, van phong, va thong
dinh van » sinh vat
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((lieu tinh) or (bien tinh)) - nhanh dinh van thong cong tan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((lieu tinh) OR (bien tinh)) - nhanh dinh van thong cong tan ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: doi ((lieu tinh) or (bien tinh)) - nhanh dinh van thong cong tan ((toan cau) or (toan tap))*.