Perhaps you should try some spelling variations:
thanh dat » thanh san, thanh hai, thanh van
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
ve cham » va cham, ve chat, vu cham
ty nang » ky nang, ty xang, ty hang
dat cua » dai cua, day cua, mat cua
sach ty » sach y, sach tu, sach thu
ve cam » ve cac, va cam, ve cai
cua te » cua tu
x hoi » o hoi, x ho, 5 hoi

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: tu sach ty nang ((x hoi) OR (xa hoi)). hieu ((ve cam) OR (ve cham)) duc va thanh dat cua te~.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang ((x hoi) or (xa hoi)). hieu ((ve cam) or (ve cham)) duc va thanh dat cua te*.