Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, khau sach
lieu nha » lieu khoa, lieu phap, lieu tham
lam thuc » lam thuoc, am thuc, nam thuc
hanh tai » thanh tai, hang tai, han tai
tu sach » su sach, te sach, tu cach
nang xa » nang x, lang xa, nang ma
thuc xa » thuc xay, tuc xa, thuc va
xa hanh » xa thanh, xa khanh, va hanh
tai cuu » tai cuc, tai buu, tai cua
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) OR (thu hoach)))) ky nang xa hoi. lieu nha lam thuc xa hanh tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (((thu sach) OR (thu hoach)))) ky nang xa hoi. lieu nha lam thuc xa hanh tai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (((thu sach) OR (thu hoach)))) ky nang xa hoi. lieu nha lam thuc xa hanh tai cuu tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (((thu sach) OR (thu hoach)))) ky nang xa hoi. lieu nha lam thuc xa hanh tai cuu tre*.