Perhaps you should try some spelling variations:
hanh trong » hanh trang, anh trong, hinh trong
thong cong » trong cong, tong cong, thong thong
thien anh » thien danh, tien anh, thien thanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
trong dam » trong lam, trong nam, trong cac
dam thong » dam tiong, dam tuong, nam thong
thanh cac » hanh cac, thanh bac, thanh ca
cong san » cong tac
than cap » khan cap, thanh lap, than cua

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 anh) or (hieu manh)) - hanh trong dam thong cong san ((than cap) or (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (hieu manh)) - hanh trong dam thong cong san ((than cap) OR (thanh cac)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) or (hieu manh)) - hanh trong dam thong cong san ((than cap) or (thanh cac))*.