Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
vu sach » vu bach, su sach, vu khach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang so » nang som, nang co, nang ho
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
so hai » son hai, su hai, so ha
xac va » tac va, ac va, bac va
tuc va » thuc va, truc va, tuc xa
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: vu sach ty nang so hai. hieu ve cham ((((xac va) or (tuc va))) or (duc va)) hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty nang so hai. hieu ve cham ((((xac va) OR (tuc va))) OR (duc va)) hanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: vu sach ty nang so hai. hieu ve cham ((((xac va) or (tuc va))) or (duc va)) hanh vi cua triet*.