Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thanh ve » hanh ve, thanh va, thanh vien
thuc dan » thuc hanh, hoc dan
nang xa » nang x, lang xa, nang ma
hieu ve » hieu van
hieu va » lieu va, hieu qua
ve cua » le cua, de cua, te cua
y nang » ky nang, ly nang, v nang
cua te » cua tu

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 ve) or (hieu va)) cau ((thuc dan) or (thuc vat)) thanh ve cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y nang xa hoi. ((hieu ve) OR (hieu va)) cau ((thuc dan) OR (thuc vat)) thanh ve cua te.
• Adding a wildcard symbol may retrieve word variants: thuat sach y nang xa hoi. ((hieu ve) or (hieu va)) cau ((thuc dan) or (thuc vat)) thanh ve cua te*.