Perhaps you should try some spelling variations:
thuat tinh » thuat trinh, thuat kinh, thuat hinh
thong cong » trong cong, tong cong, thong thong
tinh cua » trinh cua, sinh cua, tranh cua
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap
benh » binh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chua benh) or (thuat tinh)) - thanh ((tinh cua) or (tinh chat)) thong cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chua benh) OR (thuat tinh)) - thanh ((tinh cua) OR (tinh chat)) thong cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chua benh) or (thuat tinh)) - thanh ((tinh cua) or (tinh chat)) thong cong dan toan cau*.