Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nang cau » nang cao, hang cau, nang dau
hanh cat » hanh cac, hanh luat, nhanh cay
thuc va » thuc vat, thuc dan, thuc day
hanh ca » hanh cac, hanh cua, hanh cad
vu sach » vu bach, su sach, vu khach
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
ty nang » ky nang, ty xang, ty hang
xuc va » duc va, tuc va, luc va
ve cac » va cac, vien cac

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 cau hoi. hieu ve cac ((xuc va) or (thuc va)) ((hanh ca) or (hanh cat)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty nang cau hoi. hieu ve cac ((xuc va) OR (thuc va)) ((hanh ca) OR (hanh cat)) cua triet.
• Adding a wildcard symbol may retrieve word variants: vu sach ty nang cau hoi. hieu ve cac ((xuc va) or (thuc va)) ((hanh ca) or (hanh cat)) cua triet*.