Perhaps you should try some spelling variations:
thanh dat » thanh san, thanh hai, thanh van
van thanh » ban thanh, van tuan
nam duoc » nam thuoc, da duoc, dat duoc
te sach » toc sach
cao duc » dao duc, cao suc, giao duc
ly nang » ky nang, ly vang, ly quang
dat cua » dai cua, day cua, mat cua
ly hang » ly quang
hieu ve » hieu va, hieu van
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ly nang) or (ly hang)) xa hoi. hieu ve ((nam duoc) or (cao duc)) van thanh dat cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ly nang) OR (ly hang)) xa hoi. hieu ve ((nam duoc) OR (cao duc)) van thanh dat cua te.
• Adding a wildcard symbol may retrieve word variants: te sach ((ly nang) or (ly hang)) xa hoi. hieu ve ((nam duoc) or (cao duc)) van thanh dat cua te*.