Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
thanh doi » thanh loi, thanh moi, thanh do
van thanh » ban thanh, van tuan
cac nuoc » cap nuoc, dat nuoc, cua nuoc
doi cua » dai cua, hoi cua
te sach » toc sach
ly vang » ly hang, ly van, ly quang
ly nang » ky nang, ly hang, ly quang
cua cu » cua chu, cua cau, cua su

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 vang)) xa hoi. hieu vien ((cac nuoc) or (hoc nuoc)) van thanh doi cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ly nang) OR (ly vang)) xa hoi. hieu vien ((cac nuoc) OR (hoc nuoc)) van thanh doi cua cu.
• Adding a wildcard symbol may retrieve word variants: te sach ((ly nang) or (ly vang)) xa hoi. hieu vien ((cac nuoc) or (hoc nuoc)) van thanh doi cua cu*.