Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
loai tren » la tren, thai tren
cham xuc » cam xuc, chat xuc, cham soc
thanh vi » hanh vi, thanh va, thanh ve
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
ky dang » ky nang
ky danh » ky anh
va cham » va chat, va tham
xuc van » duc van, luc van, vuc van

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((ky dang) OR (ky danh)) xa hoi. lieu va cham xuc van thanh vi ((cau tren) or (loai tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky dang) OR (ky danh)) xa hoi. lieu va cham xuc van thanh vi ((cau tren) OR (loai tren))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ky dang) OR (ky danh)) xa hoi. lieu va cham xuc van thanh vi ((cau tren) or (loai tren))*".