Perhaps you should try some spelling variations:
thien van » thi van
cuu thuc » cuu tac
doi cua » dai cua, hoi cua
dan doi » dan hoi, dan toi, van doi
thuc va » thuc vat, thuc dan, thuc day
van cuu » van cau, van chu, van cu
sach ty » sach tu, sach thu, xach tay
day cho » dac cho, danh cho
cay cho » cap cho, cao cho, cay co
cua tre » cua te, cuu tre, cua triet
va dan » ca dan, va dao, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach ty) or (sach y)) dang ((cay cho) or (day cho)). thien van cuu thuc va dan doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach y)) dang ((cay cho) OR (day cho)). thien van cuu thuc va dan doi cua tre.
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) or (sach y)) dang ((cay cho) or (day cho)). thien van cuu thuc va dan doi cua tre*.