Perhaps you should try some spelling variations:
nguoi sach » nguoi san
nuoc sach » hoc sach, cuoc cach, cuon sach
hieu vien » hieu hien, hieu viec, thieu nien
van triet » va triet, van thiet, van trieu
vien cac » vien bach, vien dai, vien da
va thanh » gia thanh, ban thanh, va tinh
thanh ve » hanh ve, thanh va, thanh vien
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
cac dac » cac dan, cac dai, cac bac
dac va » duc va, day va, dat va
ve van » le van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((nuoc sach) or (nguoi sach)) ty nang xa hoi. hieu vien cac dac va thanh ve van triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nuoc sach) OR (nguoi sach)) ty nang xa hoi. hieu vien cac dac va thanh ve van triet.
• Adding a wildcard symbol may retrieve word variants: ((nuoc sach) or (nguoi sach)) ty nang xa hoi. hieu vien cac dac va thanh ve van triet*.