Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
toc sach » hoc sach, doc sach, thuoc sach
van pham » san pham, van phan, van tham
van phat » va phat, van chat, van phan
va thanh » gia thanh, ban thanh, va tinh
thanh do » thanh de, thanh pho, thanh hoa
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
do cua » doi cua, co cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (toc sach)) ky nang xa hoi. hieu ((van pham) or (van phat)) duc va thanh do cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (toc sach)) ky nang xa hoi. hieu ((van pham) OR (van phat)) duc va thanh do cua triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (toc sach)) ky nang xa hoi. hieu ((van pham) or (van phat)) duc va thanh do cua triet*.