Perhaps you should try some spelling variations:
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac xuc » cac nuoc, chat xuc, cac cuoc
cam dan » cac dan, ca dan, nam dan
cuu tre » cua tre, cau tren, cau treo
dan vi » doan vi, don vi, dan va
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang xa hoi. hieu ve ((cac xuc) or (cam xuc)) cam dan vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu ve ((cac xuc) OR (cam xuc)) cam dan vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu ve ((cac xuc) or (cam xuc)) cam dan vi cuu tre*.