Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
sach nham » sach nha, sach tham, sach han
nham nang » phap nang, cam nang, kha nang
hang tai » hang va, dung tai
nhan tai » van tai, toan tai
hanh va » hang va, hanh vi
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
xuc va » duc va, tuc va, luc va
ve cam » ve cham, ve cac, va cam
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach nham nang x hoi. hieu ve cam xuc va ((((nhan tai) OR (hang tai))) or (hanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach nham nang x hoi. hieu ve cam xuc va ((((nhan tai) OR (hang tai))) OR (hanh va)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach nham nang x hoi. hieu ve cam xuc va ((((nhan tai) OR (hang tai))) or (hanh va)) cua tre".
• Adding a wildcard symbol may retrieve word variants: thuat sach nham nang x hoi. hieu ve cam xuc va ((((nhan tai) OR (hang tai))) or (hanh va)) cua tre*.