Perhaps you should try some spelling variations:
thanh vien » nhan vien, thanh van
cau tren » cu tren, dau tren, ca tren
sach doi » sach hoi, sach moi, sach bai
sach dao » lanh dao
cham xuc » cam xuc, chat xuc, cham soc
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
xuc va » duc va, tuc va, luc va

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 doi) or (sach dao)) nang ma hoi. hieu ve cham xuc va ((thanh vien) or (hanh vi)) cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach doi) OR (sach dao)) nang ma hoi. hieu ve cham xuc va ((thanh vien) OR (hanh vi)) cau tren.
• Adding a wildcard symbol may retrieve word variants: tu ((sach doi) or (sach dao)) nang ma hoi. hieu ve cham xuc va ((thanh vien) or (hanh vi)) cau tren*.