Perhaps you should try some spelling variations:
thien van » thi van
thanh dai » thanh hai, thanh tai, thanh dat
su sach » so sach, vu sach
lang xa » lang ha, dang xay, lang van
van cam » van nam, van lam, van cau
cua tre » cua te, cuu tre, cua triet
y lang » o lang, _ lang, tay lang
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa

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 y lang xa hoi. thien van cam ((xuc va) or (tuc va)) thanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y lang xa hoi. thien van cam ((xuc va) OR (tuc va)) thanh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach y lang xa hoi. thien van cam ((xuc va) or (tuc va)) thanh dai cua tre*.