Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
nam xuat » nam luat, pham xuat, san xuat
va thanh » gia thanh, ban thanh, va tinh
thanh di » thanh doi, thanh de, thanh do
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
nam xua » nam cua, nam mua, nam qua
di cua » dai cua, doi 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: thu sach ky nang xa hoi. lieu va ((nam xuat) OR (nam xua)) va thanh di cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang xa hoi. lieu va ((nam xuat) OR (nam xua)) va thanh di cua triet".
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang xa hoi. lieu va ((nam xuat) OR (nam xua)) va thanh di cua triet*.