Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
thanh hai » thanh hoa, thanh san
hieu van » hieu va, thien van, lieu va
chang xu » chang xue, chao xu, thong xu
cau duc » cao duc, cau luc, chu duc
te sach » toc sach
van cau » van dau, van hau, van chat
sach ty » sach y, sach tu, sach thu
hang x » nang x, hoang xa, hang nxb
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 ty ((hang x) or (chang xu)) hoi. hieu van cau duc va ((thanh hai) OR (thanh phan)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty ((hang x) OR (chang xu)) hoi. hieu van cau duc va ((thanh hai) OR (thanh phan)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty ((hang x) or (chang xu)) hoi. hieu van cau duc va ((thanh hai) OR (thanh phan)) cua te".
• Adding a wildcard symbol may retrieve word variants: te sach ty ((hang x) or (chang xu)) hoi. hieu van cau duc va ((thanh hai) OR (thanh phan)) cua te*.