Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cam luc » cau luc
tinh ve » trinh ve, tinh ven, dinh ve
cua tre » cua te, cuu tre, cua triet
ve cua » le cua, de cua, te cua

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