Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh ve » hanh ve, thanh va, thanh vien
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
qua cac » cua cac
tuc va » thuc va, truc va, tuc xa
luc va » loc va
ve cua » le cua, de cua, te 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 ky nang x ho. hieu qua cac ((tuc va) or (((luc va) or (duc va)))) thanh ve cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang x ho. hieu qua cac ((tuc va) OR (((luc va) OR (duc va)))) thanh ve cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x ho. hieu qua cac ((tuc va) or (((luc va) or (duc va)))) thanh ve cua triet*.