Perhaps you should try some spelling variations:
bach luoc » bach tuoc, sach duoc, sach nuoc
thanh ha » thanh hoa, thanh hai, nhanh ha
luoc gia » quoc gia, luc gia, luong gia
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
hieu vu » hieu va, hieu su, dieu vu
ty nang » ty xang, ty hang, ly nang
ma hoi » mai hoi, xa hoi, ma hoa
ha cua » hoa cua, hai cua, nha 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 ((ty nang) OR (ky nang)) ma hoi. ((hieu vu) or (hieu ve)) bach luoc gia thanh ha cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (ky nang)) ma hoi. ((hieu vu) OR (hieu ve)) bach luoc gia thanh ha cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ty nang) OR (ky nang)) ma hoi. ((hieu vu) or (hieu ve)) bach luoc gia thanh ha cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) OR (ky nang)) ma hoi. ((hieu vu) or (hieu ve)) bach luoc gia thanh ha cua tre*.