Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tham thuc » nham thuc, pham thuc, tam thuc
thu sach » tu sach, thuat sach, thuoc sach
qua tham » qua cham, qua than, qua thanh
thuc van » thuc vat, thuc dan, thuc va
hanh vai » hanh va, hanh tai, hanh van
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao

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 ma hoa. hieu qua tham thuc van ((hanh vai) or (hanh vi)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang ma hoa. hieu qua tham thuc van ((hanh vai) OR (hanh vi)) cua triet.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang ma hoa. hieu qua tham thuc van ((hanh vai) or (hanh vi)) cua triet*.