Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
cham cuu » cap cuu, chat cua
hanh tai » thanh tai, hang tai, han tai
ban hanh » ban hang
tai cua » thai cua, tai cuc, tri cua
cam cuc » cam xuc, pham cuc
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
y nang » ky nang, ly nang, v nang
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach y nang x hoi. ((hieu ve) or (lieu va)) ((cam cuc) OR (cham cuu)) ban hanh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y nang x hoi. ((hieu ve) OR (lieu va)) ((cam cuc) OR (cham cuu)) ban hanh tai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y nang x hoi. ((hieu ve) or (lieu va)) ((cam cuc) OR (cham cuu)) ban hanh tai cua tre".
• Adding a wildcard symbol may retrieve word variants: thuat sach y nang x hoi. ((hieu ve) or (lieu va)) ((cam cuc) OR (cham cuu)) ban hanh tai cua tre*.