Perhaps you should try some spelling variations:
cua thong » cua thuong, cua khong, suat thong
anh tang » anh bang, anh dang, anh nang
cua tong » cua cong, cua dong, cua nong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
ha dong » hoat dong, van dong
chuc » thuc, chu, chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((ha dong) or (chuc nang)) - anh tang ((cua thong) OR (cua tong)) cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((ha dong) OR (chuc nang)) - anh tang ((cua thong) OR (cua tong)) cong dan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((ha dong) or (chuc nang)) - anh tang ((cua thong) OR (cua tong)) cong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((ha dong) or (chuc nang)) - anh tang ((cua thong) OR (cua tong)) cong dan toan cau*.