Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh ve » hanh ve, thanh va, thanh vien
vu sach » vu bach, su sach, vu khach
cau tuc » cau truc, cau tu, cau phuc
cau luc » cau truc, cau phuc
luu tre » luu tru, cuu tre, luy tre
y nang » ky nang, ly nang, v nang
nang o » nang co, nang ho, nang ro
ve luu » ke luu, vi luu
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach y nang o hoi. lieu va ((cau tuc) OR (cau luc)) van thanh ve luu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach y nang o hoi. lieu va ((cau tuc) OR (cau luc)) van thanh ve luu tre".
• Adding a wildcard symbol may retrieve word variants: vu sach y nang o hoi. lieu va ((cau tuc) OR (cau luc)) van thanh ve luu tre*.