Perhaps you should try some spelling variations:
sach tham » sach nha
cach thuc » anh thuc, cac thu
thanh hoi » thanh hoai, thanh hoa, thanh hai
hoang xa » hoang ha, hoang va, hoang xuan
hieu van » hieu va, thien van, lieu va
van than » van thanh, van thang, van tuan
than luc » nhan luc, than duc, thanh luu
luc gia » luoc gia, duc gia, quoc gia
hoi cua » hoi chuc
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 tham) or (cach thuc)) hoang xa hoi. hieu van than luc gia thanh hoi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach tham) OR (cach thuc)) hoang xa hoi. hieu van than luc gia thanh hoi cua te.
• Adding a wildcard symbol may retrieve word variants: te ((sach tham) or (cach thuc)) hoang xa hoi. hieu van than luc gia thanh hoi cua te*.