Perhaps you should try some spelling variations:
thanh diem » thanh liem, thanh vien, thanh nien
cau tren » cu tren, dau tren, ca tren
van cham » van tham, va cham, van pham
diem cau » dieu can
van chat » cao chat
sach ty » sach y, sach tu, sach thu
soc gia » toc gia, hoc gia, so gia
nang xa » lang xa, nang ma, mang xa
co sach » bo sach, cuon sach, hoc sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: co sach ty ((nang xa) or (nang x)) hoi. hieu ((van cham) OR (van chat)) soc gia thanh diem cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sach ty ((nang xa) OR (nang x)) hoi. hieu ((van cham) OR (van chat)) soc gia thanh diem cau tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "co sach ty ((nang xa) or (nang x)) hoi. hieu ((van cham) OR (van chat)) soc gia thanh diem cau tren".
• Adding a wildcard symbol may retrieve word variants: co sach ty ((nang xa) or (nang x)) hoi. hieu ((van cham) OR (van chat)) soc gia thanh diem cau tren*.