Perhaps you should try some spelling variations:
thanh doi » thanh loi, thanh moi, thanh do
van thanh » ban thanh, van tuan
doc sach » hoc sach, toc sach, nuoc sach
va thanh » gia thanh, ban thanh, va tinh
doi cua » dai cua, hoi cua
vuc van » duc van, luc van, thuc van
va chat » van chat, va phat, cao chat
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
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: doc sach y ((nang xa) OR (nang ma)) hoi. hieu ((va chat) OR (va thanh)) vuc van thanh doi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc sach y ((nang xa) OR (nang ma)) hoi. hieu ((va chat) OR (va thanh)) vuc van thanh doi cua te".
• Adding a wildcard symbol may retrieve word variants: doc sach y ((nang xa) OR (nang ma)) hoi. hieu ((va chat) OR (va thanh)) vuc van thanh doi cua te*.