Perhaps you should try some spelling variations:
thieu nien » thien nhien
hieu vien » hieu hien, hieu viec, hieu tieng
thanh va » thanh van, hanh va, thanh ha
va thanh » gia thanh, ban thanh, va tinh
bach xuc » bach tuoc, bach xuan, bach hue
cuu tre » cua tre, cau tren, cau treo
sach ky » sach y, sach ty, sach kem
tang xa » trang xa, tang ma, lang xa
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
va cuu » va cau, va chu, va huu

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 (sac ky)) tang xa hoi. ((hieu vien) or (thieu nien)) bach xuc va thanh va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) tang xa hoi. ((hieu vien) OR (thieu nien)) bach xuc va thanh va cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sac ky)) tang xa hoi. ((hieu vien) or (thieu nien)) bach xuc va thanh va cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) OR (sac ky)) tang xa hoi. ((hieu vien) or (thieu nien)) bach xuc va thanh va cuu tre*.