Perhaps you should try some spelling variations:
phat soc » cham soc, nhat so, phap so
soc tuan » ngoc tuan, soc trang, quoc tuan
dua tren » dung tren
sach ky » sac ky, sach y, sach kem
sach ty » sach y, sach tu, sach thu
nang xa » nang x, lang xa, nang ma
cuu tre » cua tre, cau tren, cau treo
anh vi » hanh vi, anh va, anh ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) OR (sach ty)) nang xa hoi. lieu va phat soc tuan anh vi ((cuu tre) or (dua tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach ty)) nang xa hoi. lieu va phat soc tuan anh vi ((cuu tre) OR (dua tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sach ty)) nang xa hoi. lieu va phat soc tuan anh vi ((cuu tre) or (dua tren))".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) OR (sach ty)) nang xa hoi. lieu va phat soc tuan anh vi ((cuu tre) or (dua tren))*.