Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
van thanh » ban thanh, van tuan
thanh de » hanh de, thanh ve, thanh do
suc van » su van, duc van, luc van
sach ky » sac ky, sach y, sach ty
de cua » le cua, te cua, dieu cua
cua te » cua tu
ve cac » va cac, vien cac
ve cao » va cao, ve bao, ve co
x hoi » o hoi, x ho, 5 hoi

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 ky nang ((x hoi) or (xa hoi)). hieu ((ve cao) OR (ve cac)) suc van thanh de cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach ky nang ((x hoi) OR (xa hoi)). hieu ((ve cao) OR (ve cac)) suc van thanh de cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ky nang ((x hoi) or (xa hoi)). hieu ((ve cao) OR (ve cac)) suc van thanh de cua te".
• Adding a wildcard symbol may retrieve word variants: thuat sach ky nang ((x hoi) or (xa hoi)). hieu ((ve cao) OR (ve cac)) suc van thanh de cua te*.