Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
thong cong » trong cong, tong cong, thong thong
trinh cua » tinh cua, trinh luat, trinh quan
tranh cua » doanh cua, manh cua
san thanh » ban thanh, van thanh, son thanh
thanh cac » hanh cac, thanh bac, thanh ca
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien danh) or (chinh sach)) - hanh ((trinh cua) or (tranh cua)) thong cong san thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien danh) OR (chinh sach)) - hanh ((trinh cua) OR (tranh cua)) thong cong san thanh cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien danh) or (chinh sach)) - hanh ((trinh cua) or (tranh cua)) thong cong san thanh cac*.