Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
hoc sach » hoc sinh, hoc cac, hoc anh
dang xay » dang van, van xay
te sach » toc sach
vai cua » dai cua, hai cua, lai cua
thi van » thi lan, thi hanh, thi nang
van cau » van dau, van hau, van chat
xay hoi » xa hoi, tay hoi, cay phoi
xuc va » tuc va, luc va, xac va
cua te » cua tu

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) or (hoc sach)) _ dang xay hoi. thi van cau ((xuc va) or (duc va)) thanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (hoc sach)) _ dang xay hoi. thi van cau ((xuc va) OR (duc va)) thanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (hoc sach)) _ dang xay hoi. thi van cau ((xuc va) or (duc va)) thanh vai cua te*.