Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
thi lan » thi hanh, thi nang, thi lien
lan cam » ban cam, lai cam, phan cam
cua tre » cuu tre, cua triet, dua tren
y nang » ky nang, ly nang, v nang
xuc va » duc va, tuc va, luc va
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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 y nang x hoi. thi lan cam ((xuc va) or (thuc vat)) hanh vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang x hoi. thi lan cam ((xuc va) OR (thuc vat)) hanh vi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu sach y nang x hoi. thi lan cam ((xuc va) or (thuc vat)) hanh vi ((cua tre) or (cua te))*.