Perhaps you should try some spelling variations:
trong xu » thong xu, trong su, trong thu
trinh ve » trinh he, trinh va, trinh vi
su sach » so sach, vu sach
do thuc » hoc thuc, dan thuc
tinh va » tich va, trinh van, trinh vat
thuc va » thuc vat, thuc dan, thuc day
cua tre » cua te, cuu tre, cua triet
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
tang xa » trang xa, tang ma, lang xa
ve do » ve dao, ve doi, va do

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty ((tang xa) or (trong xu)) hoi. hieu ve do thuc va ((tinh va) or (trinh ve)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty ((tang xa) OR (trong xu)) hoi. hieu ve do thuc va ((tinh va) OR (trinh ve)) cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach ty ((tang xa) or (trong xu)) hoi. hieu ve do thuc va ((tinh va) or (trinh ve)) cua tre*.