Perhaps you should try some spelling variations:
thien phan » thien phat, thien nhan, thien phap
nuoc sach » nguoi sach, hoc sach, cuoc cach
phan dau » phan tu, hang dau
dau luan » dan luan, dat luan, khau luan
hanh tai » thanh tai, hang tai, han tai
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
luan va » luan van, luat va
cua tre » cua te, cuu tre, cua triet

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 ty nang xa hoi. thien phan dau luan va ((hanh tai) or (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc sach ty nang xa hoi. thien phan dau luan va ((hanh tai) OR (hanh vi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: nuoc sach ty nang xa hoi. thien phan dau luan va ((hanh tai) or (hanh vi)) cua tre*.