Perhaps you should try some spelling variations:
chuc nganh » chuc nang, hoc nganh, cac nganh
luat ngan » cua ngan, luat dan
hanh vit » hanh vi, danh viet, hanh tiet
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
hieu ve » hieu va, hieu van
ca tren » cau tren, cu tren, la tren
ve cau » ke cau, va cau, ve cac
vit ca » viet ca, viet cau

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 ty xang xa hoi. hieu ve cau ((chuc nganh) or (luat ngan)) hanh vit ca tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty xang xa hoi. hieu ve cau ((chuc nganh) OR (luat ngan)) hanh vit ca tren.
• Adding a wildcard symbol may retrieve word variants: tu sach ty xang xa hoi. hieu ve cau ((chuc nganh) or (luat ngan)) hanh vit ca tren*.