Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
hiem cho » viec cho
xac dung » xay dung, tac dung, sach dung
dung sai » dung tai, dung va, dung dat
nang ma » tang ma, sang ma, nang cao
hieu he » hieu ve, hiem he, hieu le
thu xac » thau xay
sai cua » dai cua, hai cua, lai cua
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa

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 y nang ma hoi. ((hieu he) or (hiem cho)) nam thu xac dung sai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang ma hoi. ((hieu he) OR (hiem cho)) nam thu xac dung sai cua triet.
• Adding a wildcard symbol may retrieve word variants: thu sach y nang ma hoi. ((hieu he) or (hiem cho)) nam thu xac dung sai cua triet*.