Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
toc sach » hoc sach, doc sach, thuoc sach
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
ve cau » ke cau, va cau, ve cac
va dau » va dao
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: ((toc sach) or (thuat sach)) ky nang x hoi. hieu ve cam xuc va hanh ((ve cau) or (va dau)) treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (thuat sach)) ky nang x hoi. hieu ve cam xuc va hanh ((ve cau) OR (va dau)) treo.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (thuat sach)) ky nang x hoi. hieu ve cam xuc va hanh ((ve cau) or (va dau)) treo*.