Perhaps you should try some spelling variations:
thien van » thi van
cua triet » cua viet, su triet, va triet
minh doi » tinh doi, minh di, minh don
so sach » so sanh, bo sach, co sach
nam qua » nam quan, nam cua, nam mua
qua van » quan van, qua ban, qua san
doi cua » dai cua, hoi cua
y nang » ly nang, v nang, may nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ((y nang) or (ky nang)) xa hoi. thien van nam qua van minh doi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((y nang) OR (ky nang)) xa hoi. thien van nam qua van minh doi cua triet.
• Adding a wildcard symbol may retrieve word variants: so sach ((y nang) or (ky nang)) xa hoi. thien van nam qua van minh doi cua triet*.