Perhaps you should try some spelling variations:
sach thue » sach thu, sach thieu, sach tham
thue nang » thien nang, thuat nang, thi nang
thanh lai » thanh hai, thanh lap, thanh loi
doc sach » hoc sach, toc sach, nuoc sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc dan, thuc day
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
tuc va » truc va, tuc xa, duc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc sach thue nang xa hoi. hieu va cac ((tuc va) or (thuc va)) thanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc sach thue nang xa hoi. hieu va cac ((tuc va) OR (thuc va)) thanh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: doc sach thue nang xa hoi. hieu va cac ((tuc va) or (thuc va)) thanh lai cua tre*.