Perhaps you should try some spelling variations:
cac doanh » cac dan, cac dang, van doanh
doanh thi » doanh tai, doanh thu, doan thi
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cac xuc » cam xuc, cac nuoc, chat xuc
xuc cac » xuc tac, tuc cac, xuc cam
thi cuu » thi cuc, thi huu, thi cu
cuu tre » cua tre, cau tren, cau treo
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: su sach ty nang x hoi. ((trien viet) or (tieng viet)) cac xuc cac doanh thi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang x hoi. ((trien viet) OR (tieng viet)) cac xuc cac doanh thi cuu tre.
• Adding a wildcard symbol may retrieve word variants: su sach ty nang x hoi. ((trien viet) or (tieng viet)) cac xuc cac doanh thi cuu tre*.