Perhaps you should try some spelling variations:
bieu dieu » bieu dien, lieu dieu, lieu dien
hanh sua » hinh su, hanh va, hanh tu
te sach » toc sach
sach ky » sac ky, sach y, sach ty
hanh xu » hanh tu, hanh cua, hanh mau
tinh va » tich va, trinh van, trinh vat
cuu tre » cua tre, cau tren, cau treo
va cuu » va cau, va chu, va huu
x hoi » xa hoi, o hoi, 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: te sach ky nang ((x hoi) or (x ho)). bieu dieu ((hanh xu) OR (hanh sua)) may tinh va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ((x hoi) OR (x ho)). bieu dieu ((hanh xu) OR (hanh sua)) may tinh va cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang ((x hoi) or (x ho)). bieu dieu ((hanh xu) OR (hanh sua)) may tinh va cuu tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ((x hoi) or (x ho)). bieu dieu ((hanh xu) OR (hanh sua)) may tinh va cuu tre*.