Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
thu sach » thuat sach, thuoc sach, thu hoach
bach xuc » bach tuoc, bach xuan, bach hue
thanh va » thanh van, hanh va, thanh ve
thanh ha » thanh hoa, thanh hai, nhanh ha
tu sach » su sach, te sach, tu cach
nang xa » nang x, lang xa, nang ma
xuc gia » duc gia, luc gia, tuc gia
cuu tre » cua tre, cau tren, cau treo

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