Perhaps you should try some spelling variations:
danh nhan » doanh nhan, thanh nhan, benh nhan
hieu quan » lieu quan, thien quan, lien quan
nhan moi » nha moi, nhan mo, nhat moi
danh va » doanh va, hanh va, anh va
va danh » va dinh, va dan, va hanh
cam loc » cam lo
chu tri » chua tri, chu thi, chu tai
ky danh » ky anh, ky dang
loc va » hoc va, luc va
te san » te ban, ke san, tu san
va chu » va che, va cau, va chi
te sac » te sach, te cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sac) OR (te san)) ky danh nhan moi. ((hieu quan) or (hieu qua)) cam loc va danh va chu tri~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te san)) ky danh nhan moi. ((hieu quan) OR (hieu qua)) cam loc va danh va chu tri*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sac) OR (te san)) ky danh nhan moi. ((hieu quan) or (hieu qua)) cam loc va danh va chu tri*".