Perhaps you should try some spelling variations:
kinh vai » kinh hai, kinh va, kinh van
cua viet » ca viet, hoa viet, cua vat
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hieu ve » hieu va, hieu van
vai cua » dai cua, hai cua, lai cua
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc va

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 ty nang x ho. hieu ve cam ((xuc va) or (luc va)) kinh vai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang x ho. hieu ve cam ((xuc va) OR (luc va)) kinh vai cua viet.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang x ho. hieu ve cam ((xuc va) or (luc va)) kinh vai cua viet*.