Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
chieu sang » chieu sach, chieu xanh, nhieu tang
cua phuong » cuu phuong, cuc phuong, luan phuong
hieu lang » hieu quang, nhieu tang, hieu van
doanh cua » doanh luan
thong van » trong van, thong quan, truong van
thong va » thong cua, truong va, thong qua
nhan tap » nhan tai, nhan tao, han tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu lang) or (chieu sang)) - hanh doanh cua phuong ((thong van) OR (thong va)) nhan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (chieu sang)) - hanh doanh cua phuong ((thong van) OR (thong va)) nhan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu lang) or (chieu sang)) - hanh doanh cua phuong ((thong van) OR (thong va)) nhan tap".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) or (chieu sang)) - hanh doanh cua phuong ((thong van) OR (thong va)) nhan tap*.