Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu tinh » trieu tinh, lieu tinh, chau tinh
ho chieu » theo chieu, hoc thieu, doi chieu
sinh cua » manh cua, dinh cuu, sinh va
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban
sinh ca » sinh cau, sinh va, tinh ca

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: ho chieu tinh - hanh ((sinh ca) OR (sinh cua)) thuong cong dan ((toan cau) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - hanh ((sinh ca) OR (sinh cua)) thuong cong dan ((toan cau) or (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh ((sinh ca) OR (sinh cua)) thuong cong dan ((toan cau) or (toan ban))*.