Perhaps you should try some spelling variations:
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
hoc hieu » hoc thieu, doc hieu, hoc dieu
tung cua » trung cua, tuong cua, dung cua
cong dan » cong san, cong tan, huong dan
than cap » thanh lap, thanh cac, than cua
khan cap » khan ap, khoan cam, phan 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 hieu) or (hoc hien)) manh - thanh tung cua thong cong dan ((than cap) OR (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hieu) OR (hoc hien)) manh - thanh tung cua thong cong dan ((than cap) OR (khan cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc hieu) or (hoc hien)) manh - thanh tung cua thong cong dan ((than cap) OR (khan cap))".
• Adding a wildcard symbol may retrieve word variants: ((hoc hieu) or (hoc hien)) manh - thanh tung cua thong cong dan ((than cap) OR (khan cap))*.