Perhaps you should try some spelling variations:
hanh lam » thanh lap, hanh kem, dinh lam
toc sach » hoc sach, doc sach, thuoc sach
thi hanh » thi thanh
su sach » so sach, vu sach
cam tuc » cam xuc, cam tu, nam thuc
hieu ve » hieu va, hieu van
hanh xa » hanh ma, hanh xu, canh xa
hanh va » hang va, hanh vi
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa
phat » phan, pham, phap

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (toc sach)) thi hanh xa hoi. hieu ve cam tuc va ((hanh lam) OR (hanh va)) phat trien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (toc sach)) thi hanh xa hoi. hieu ve cam tuc va ((hanh lam) OR (hanh va)) phat trien~".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (toc sach)) thi hanh xa hoi. hieu ve cam tuc va ((hanh lam) OR (hanh va)) phat trien*.