Perhaps you should try some spelling variations:
nang van » dang van, tang van, lang van
tan lanh » tai lanh, thanh lanh, tan thanh
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
van hoi » van hoa, van hoc, van hoe
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac dac
ve cac » va cac, vien cac

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 ky nang van hoi. hieu ve cac duc tan lanh ((dai cua) or (tai cuc)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang van hoi. hieu ve cac duc tan lanh ((dai cua) OR (tai cuc)) triet.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang van hoi. hieu ve cac duc tan lanh ((dai cua) or (tai cuc)) triet*.