Perhaps you should try some spelling variations:
thien chinh » tien thinh, thien chien, thi chinh
hang cong » dang cong, hang nong, bang cong
manh cua » doanh cua, ban cua
cong san » cong tac
than cau » toan cau, phan cau, than cap
toan cao » toan ban, toan tap
hang ca » hang va, nang cao, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: thien chinh sach - hanh ((manh cua) or (hang ca)) hang cong san ((than cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thien chinh sach - hanh ((manh cua) OR (hang ca)) hang cong san ((than cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: thien chinh sach - hanh ((manh cua) or (hang ca)) hang cong san ((than cau) or (toan cao))*.