Perhaps you should try some spelling variations:
luan danh » luan thanh, luan van, luan nang
cham xuc » cam xuc, chat xuc, cham soc
sach thu » sach thue, sach thieu, sach tham
tang lai » trang lai, tang tai, tang loi
luan dan » luan van, luat dan, luan san
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
lai hoi » dai hoi, lai hoa, lai roi
xuc va » duc va, tuc va, luc va
sac ky » cac ky, sai ky
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 ((sac ky) or (sach thu)) tang lai hoi. hieu ve cham xuc va ((luan dan) OR (luan danh)) cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sac ky) OR (sach thu)) tang lai hoi. hieu ve cham xuc va ((luan dan) OR (luan danh)) cua tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sac ky) or (sach thu)) tang lai hoi. hieu ve cham xuc va ((luan dan) OR (luan danh)) cua tu*".