Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
thanh lap » thanh san, phan lap, thanh van
nhan luc » nang luc
nang tai » hang tai, tang tai, sang tai
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ve nhan » ve nha, de nhan, va nhan
hieu ve » hieu va, hieu van
tai hoi » tai khoi, dai hoi, tai hai
ty nang » ky nang, ty xang, ty hang
cuu tre » cua tre, cau tren, cau treo
luc va » duc va, tuc va, loc va

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang tai hoi. hieu ve nhan luc va ((thanh lap) OR (thanh hai)) cuu tre~".
• Adding a wildcard symbol may retrieve word variants: su sach ty nang tai hoi. hieu ve nhan luc va ((thanh lap) OR (thanh hai)) cuu tre*.