Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thien danh » thien anh, thien dang, thien thanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
manh cua » doanh cua
cong san » cong tac
san phan » san pham, van phan, sat phan
phan dau » phan tu, hang dau
ban cua » ban quan

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 (hieu manh)) - canh ((manh cua) or (ban cua)) nhung cong san phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien danh) OR (hieu manh)) - canh ((manh cua) OR (ban cua)) nhung cong san phan dau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien danh) or (hieu manh)) - canh ((manh cua) or (ban cua)) nhung cong san phan dau*.