Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
pham thuc » phap thuc, pham chuc, nham thuc
trinh dai » trinh tai, trinh di, trinh da
tinh dai » tinh da, tinh hai, tinh doi
nang xa » nang x, lang xa, nang ma
hieu vu » hieu va, hieu ve, hieu su
vu pham » su pham, vi pham, vu kham
thuc va » thuc vat, thuc dan, thuc day
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang

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 xa hoi. hieu vu pham thuc va ((tinh dai) or (trinh dai)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y nang xa hoi. hieu vu pham thuc va ((tinh dai) OR (trinh dai)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: thuat sach y nang xa hoi. hieu vu pham thuc va ((tinh dai) or (trinh dai)) cuu tre*.