Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
hanh tai » thanh tai, hang tai, han tai
hanh vai » hanh vi, hanh van, hanh voi
tu sach » thu sach, su sach, te sach
sach lo » sach dao, sach doi, sach hoi
hanh va » hang va, hanh vi
thuc va » thuc vat, thuc dan, thuc day
va pham » van pham, va phat, va phap
lo nang » ho nang, ly nang, loai nang
cua tre » cua te, cuu tre, cua triet
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 lo nang x hoi. lieu va pham thuc va ((((hanh vai) or (hanh tai))) or (hanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach lo nang x hoi. lieu va pham thuc va ((((hanh vai) OR (hanh tai))) OR (hanh va)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach lo nang x hoi. lieu va pham thuc va ((((hanh vai) or (hanh tai))) or (hanh va)) cua tre*.