Perhaps you should try some spelling variations:
hien danh » thien danh, hien hanh, hien nhanh
thien anh » thien danh, tien anh, thien thanh
ganh mang » ganh nang, hanh mang, nhanh mang
cua nhung » va nhung
cong manh » cong danh, duong manh, cong thanh
mang cua » manh cua, dung cua, ban cua
cong tan » cong tac, cong san, cong thanh

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 danh) or (thien anh)) - ganh mang cua nhung ((cong manh) or (cong tan)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien danh) OR (thien anh)) - ganh mang cua nhung ((cong manh) OR (cong tan)) van ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien danh) or (thien anh)) - ganh mang cua nhung ((cong manh) or (cong tan)) van ban*.