Perhaps you should try some spelling variations:
thanh dat » thanh san, thanh hai, thanh van
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
truc va » thuc vat, trung va
thuc va » thuc vat, thuc dan, thuc day
dat cua » dai cua, day cua, mat cua
cua tre » cua te, cuu tre, cua triet
va cau » van cau, va cac, va dau

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 ty nang xa hoi. lieu va cau ((truc va) OR (thuc va)) thanh dat cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang xa hoi. lieu va cau ((truc va) OR (thuc va)) thanh dat cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang xa hoi. lieu va cau ((truc va) OR (thuc va)) thanh dat cua tre*.