Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu cua » hieu qua, dieu cua, bieu cua
nhan duc » nhan duoc, nhan luc, phan duc
duc tuan » duc thuan, duc tan, duc toan
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu ca » hieu cac, hieu va, hieu xa
y nang » ky nang, ly nang, v nang
anh vi » hanh vi, anh va, anh ve
vi cua » vai cua, di 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 y nang xa hoi. ((hieu ca) or (hieu cua)) nhan duc tuan anh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. ((hieu ca) OR (hieu cua)) nhan duc tuan anh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. ((hieu ca) or (hieu cua)) nhan duc tuan anh vi cua triet*.