Perhaps you should try some spelling variations:
thuc day » thuc dan, thuc vat
toc sach » doc sach, thuoc sach, nuoc sach
hoc sach » hoc sinh, hoc cac, hoc anh
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va ngay » va nay, tan ngay
thuc va » thuc vat, thuc dan
dan vai » dan va, dan tai, dan vat
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sach) or (hoc sach)) ky nang xa hoi. hieu va ngay ((thuc va) or (thuc day)) dan vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (hoc sach)) ky nang xa hoi. hieu va ngay ((thuc va) OR (thuc day)) dan vai cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (hoc sach)) ky nang xa hoi. hieu va ngay ((thuc va) or (thuc day)) dan vai cuu tre*.