Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
cau thuc » cau truc, cuu thuc, can thuc
hanh tai » hang tai, han tai, hinh tai
lieu van » lieu va, hieu van, sieu van
van cau » van dau, van hau, van chat
sach ky » sac ky, sach ty, sach kem
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) or (sach y)) nang xa hoi. lieu van cau thuc vat ((hanh tai) or (thanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) nang xa hoi. lieu van cau thuc vat ((hanh tai) OR (thanh tai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sach y)) nang xa hoi. lieu van cau thuc vat ((hanh tai) or (thanh tai)) cua tre*.