Perhaps you should try some spelling variations:
doanh van » doan van, doanh ban, doanh nhan
doanh va » doan va, doanh tai, doanh cua
lang dai » lang hai, lang mai, lang chai
cham xuc » cam xuc, chat xuc, cham soc
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach kem
dai hoi » dai hoc, dai hai, dai moi
sach ty » sach y, sach tu, sach thu
xuc va » duc va, tuc va, luc va
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach ky) or (sach ty)) lang dai hoi. hieu ve cham xuc va ((doanh van) OR (doanh va)) cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ky) OR (sach ty)) lang dai hoi. hieu ve cham xuc va ((doanh van) OR (doanh va)) cua tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach ky) or (sach ty)) lang dai hoi. hieu ve cham xuc va ((doanh van) OR (doanh va)) cua tu*".