Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tuan than » thuan thanh, quan thanh, tran thanh
than cua » nhan cua, thai cua, ban cua
van tuan » van quan, van ban, anh tuan
cam duc » cam xuc, cao duc, nam duoc
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
tang xa » trang xa, tang ma, tang ha

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 y ((tang xa) or (lang xa)) hoi. hieu ve ((cam duc) or (pham duc)) van tuan than cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y ((tang xa) OR (lang xa)) hoi. hieu ve ((cam duc) OR (pham duc)) van tuan than cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach y ((tang xa) or (lang xa)) hoi. hieu ve ((cam duc) or (pham duc)) van tuan than cua triet*.