Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
va thanh » ban thanh, le thanh
nang mai » nang ma, nang tai, lang mai
tai cua » thai cua, tai cuc, tri cua
va tinh » may tinh
cua tre » cua te, cuu tre, cua triet
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
y nang » ky nang, ly nang, v nang
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: thuat sach y nang mai hoi. hieu ve cac xuc ((((va thanh) OR (va tinh))) or (gia thanh)) tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y nang mai hoi. hieu ve cac xuc ((((va thanh) OR (va tinh))) OR (gia thanh)) tai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y nang mai hoi. hieu ve cac xuc ((((va thanh) OR (va tinh))) or (gia thanh)) tai cua tre".
• Adding a wildcard symbol may retrieve word variants: thuat sach y nang mai hoi. hieu ve cac xuc ((((va thanh) OR (va tinh))) or (gia thanh)) tai cua tre*.