Perhaps you should try some spelling variations:
te sach » toc sach
hieu va » lieu va, hieu qua
cam luc » cau luc
va tinh » may tinh
tinh do » trinh do, tinh doi, tinh da
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
do cua » doi cua, co cua, de cua
x hoi » xa hoi, o hoi, x ho

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 y nang x hoi. hieu va ((cam luc) or (cam xuc)) va tinh do cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang x hoi. hieu va ((cam luc) OR (cam xuc)) va tinh do cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. hieu va ((cam luc) or (cam xuc)) va tinh do cua tre*.