Perhaps you should try some spelling variations:
thien van » thi van
sach thu » sach thue, sach thieu, sach tham
danh dai » danh dau, danh di, danh sai
thuc dan » thuc hanh, hoc dan, thuc vat
truc va » thuc va, thuc vat, trung va
van cau » van dau, van hau, van chat
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
lang ha » long ha
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 thu ((nang xa) or (lang ha)) hoi. thien van cau ((truc va) or (thuc dan)) danh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thu ((nang xa) OR (lang ha)) hoi. thien van cau ((truc va) OR (thuc dan)) danh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach thu ((nang xa) or (lang ha)) hoi. thien van cau ((truc va) or (thuc dan)) danh dai cua tre*.