Perhaps you should try some spelling variations:
ninh viec » ninh viet, dinh viec, sinh viec
cua triet » cua viet, su triet, va triet
toc sach » doc sach, thuoc sach, nuoc sach
hoc sach » hoc sinh, hoc cac, hoc anh
ly hang » ly quang
hang xa » hoang xa, hang va, hang ca
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
va ninh » van ninh, va kinh, va tinh
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sach) or (hoc sach)) ly hang xa hoi. hieu va cam duc va ninh viec cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (hoc sach)) ly hang xa hoi. hieu va cam duc va ninh viec cua triet.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (hoc sach)) ly hang xa hoi. hieu va cam duc va ninh viec cua triet*.