Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
hoc sach » hoc sinh, hoc cac, hoc anh
ly quang » le quang, vu quang
quang xa » quan xa, quang ma, quang va
cac thuc » cach thuc, cac thu, can thuc
hanh tai » hang tai, han tai, hinh tai
sach ly » sach y, sach lo, sach ty
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
cuc tre » duc tre, cua tre, cuu tre
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach ly quang xa hoi. hieu ve cac thuc va ((hanh tai) or (thanh tai)) cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ly quang xa hoi. hieu ve cac thuc va ((hanh tai) OR (thanh tai)) cuc tre.
• Adding a wildcard symbol may retrieve word variants: hoc sach ly quang xa hoi. hieu ve cac thuc va ((hanh tai) or (thanh tai)) cuc tre*.