Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
theo lieu » theo tieu, theo chieu, theo yeu
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh manh » hanh mang, lanh manh, hoang manh
dung cong » dung trong
manh cua » doanh cua, ban cua
dan toan » van toan, dan than, manh toan
van tuan » van quan, van ban, anh tuan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo lieu tinh - hanh manh cua ((dung cong) OR (thong cong)) ((dan toan) OR (van tuan)) cau~.
• Adding a wildcard symbol may retrieve word variants: theo lieu tinh - hanh manh cua ((dung cong) or (thong cong)) ((dan toan) or (van tuan)) cau*.