Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
tinh nam » tinh lao, tinh va
toc sach » hoc sach, doc sach, thuoc sach
va tinh » may tinh
cam tuc » cam xuc, cam tu, nam thuc
van cam » van nam, van lam, van cau
tuc va » thuc va, truc va, tuc xa
cua te » cua tu
x hoi » xa hoi, x ho, 5 hoi
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: ((te sach) OR (toc sach)) ky nang ((x hoi) or (o hoi)). hieu van cam tuc va tinh nam cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ky nang ((x hoi) OR (o hoi)). hieu van cam tuc va tinh nam cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ky nang ((x hoi) or (o hoi)). hieu van cam tuc va tinh nam cua te".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) ky nang ((x hoi) or (o hoi)). hieu van cam tuc va tinh nam cua te*.