Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
theo lieu » theo tieu, theo chieu, theo yeu
lieu tinh » trieu tinh, diep tinh, bien tinh
tang luan » dung luan
tang cua » mang cua, hang cua, thong cua
cong san » cong tac
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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 ((tang cua) OR (tang luan)) khong cong san ((toan cau) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo lieu tinh - hanh ((tang cua) OR (tang luan)) khong cong san ((toan cau) or (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: theo lieu tinh - hanh ((tang cua) OR (tang luan)) khong cong san ((toan cau) or (toan ban))*.