Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hien anh » hien hanh, thien anh, dien anh
tranh va » tranh van, trang va, trinh va
va thong » va thuong, va phuong, he thong
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien anh - canh tranh va thong cong dan ((than cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien anh - canh tranh va thong cong dan ((than cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: hoc hien anh - canh tranh va thong cong dan ((than cau) or (than cap))*.