Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
thanh hai » thanh phan, thanh hoa, thanh san
cham tuc » pham thuc, tham thuc, cham soc
va thanh » gia thanh, ban thanh, va tinh
hai cuu » hai cua, hai chu, hai cuc
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, may nang
v nang » va nang, vu nang, van nang

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 ((y nang) OR (v nang)) xa hoi. hieu ve ((cham tuc) or (nham thuc)) va thanh hai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (v nang)) xa hoi. hieu ve ((cham tuc) OR (nham thuc)) va thanh hai cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y nang) OR (v nang)) xa hoi. hieu ve ((cham tuc) or (nham thuc)) va thanh hai cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) OR (v nang)) xa hoi. hieu ve ((cham tuc) or (nham thuc)) va thanh hai cuu tre*.