Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
su sach » so sach, vu sach
tai roi » lai roi, tai hoi, tai loi
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
soc van » hoc van, sac van, soc dan
tai cua » thai cua, tai cuc, tri cua
y nang » ly nang, v nang, may nang
oc van » hoc van, luoc van, quoc van
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((y nang) or (ky nang)) tai roi. hieu ve cham ((soc van) OR (oc van)) hanh tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((y nang) OR (ky nang)) tai roi. hieu ve cham ((soc van) OR (oc van)) hanh tai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((y nang) or (ky nang)) tai roi. hieu ve cham ((soc van) OR (oc van)) hanh tai cua te*".