Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, hoc sach, cuoc cach
cua triet » cua viet, su triet, va triet
nang tai » hang tai, tang tai, sang tai
sach ty » sach y, sach tu, sach thu
hanh va » hang va, hanh vi
truc va » thuc va, thuc vat, trung va
ty nang » ky nang, ty xang, ty hang
hieu ve » hieu van
hieu va » lieu va, hieu qua
tai hoa » tai khoa, thai hoa, thi hoa
tuc va » thuc va, tuc xa, duc va
va cua » va chua, via cua, ca cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: nuoc sach ty nang tai hoa. ((hieu ve) or (hieu va)) kham ((tuc va) or (truc va)) hanh va cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc sach ty nang tai hoa. ((hieu ve) OR (hieu va)) kham ((tuc va) OR (truc va)) hanh va cua triet.
• Adding a wildcard symbol may retrieve word variants: nuoc sach ty nang tai hoa. ((hieu ve) or (hieu va)) kham ((tuc va) or (truc va)) hanh va cua triet*.