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
va chat » van chat, va phat, cao chat
va cham » va tham
truc va » thuc va, thuc vat, trung va
dan tai » van tai, dan thi, han tai
cuc tre » duc tre, cua tre, cuu tre
va dan » ca dan, va dao, va dau

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 ((va chat) or (va cham)) truc va dan tai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu ((va chat) OR (va cham)) truc va dan tai cuc tre.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu ((va chat) or (va cham)) truc va dan tai cuc tre*.