Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
van thanh » ban thanh, van tuan
hieu van » hieu va, thien van, lieu va
cam duc » cam xuc, cao duc, pham duc
su sach » so sach, vu sach
sach ly » sach y, sach lo, sach ty
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
chau te » chau tho

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ly ((nang xa) or (lang xa)) hoi. hieu van ((cam duc) or (giao duc)) van thanh lai chau te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly ((nang xa) OR (lang xa)) hoi. hieu van ((cam duc) OR (giao duc)) van thanh lai chau te.
• Adding a wildcard symbol may retrieve word variants: su sach ly ((nang xa) or (lang xa)) hoi. hieu van ((cam duc) or (giao duc)) van thanh lai chau te*.