Perhaps you should try some spelling variations:
thanh vai » thanh van, thanh tai, thanh oai
thanh hai » thanh phan, thanh hoa, thanh san
nhan luc » nang luc
vang cao » nang cao, lang cao, vang tao
he nhan » he than, de nhan, nghe nhan
sach lo » sach dao, sach doi, sach hoi
hieu he » hieu ve, hiem he, hieu le
cao hoa » cao hoat, cao khoa, cau hoa
cua tre » cua te, cuu tre, cua triet
luc va » duc va, tuc va, loc va

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 lo) or (sach y)) vang cao hoa. hieu he nhan luc va ((thanh vai) or (thanh hai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach lo) OR (sach y)) vang cao hoa. hieu he nhan luc va ((thanh vai) OR (thanh hai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: su ((sach lo) or (sach y)) vang cao hoa. hieu he nhan luc va ((thanh vai) or (thanh hai)) cua tre*.