Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
chat duc » chat xuc, chat doc, chet duoc
tinh cua » trinh cua, sinh cua, tinh chat
su sach » so sach
vu sach » vu bach, vu khach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
va tinh » may tinh
cua cua » cua chua, ca cua, qua cua
y nang » ky nang, ly nang, v nang

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) or (vu sach)) y nang xa hoi. hieu ve chat duc va tinh cua cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) y nang xa hoi. hieu ve chat duc va tinh cua cua triet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) y nang xa hoi. hieu ve chat duc va tinh cua cua triet*.