Perhaps you should try some spelling variations:
nganh thanh » nhanh thanh, danh thanh, nhanh thang
luc nganh » luc ngan, chuc nganh, luat nganh
hieu van » hieu va, thien van, lieu va
thanh vi » hanh vi, thanh va, thanh ve
cau luc » cau truc, cau phuc
ca tren » cau tren, cu tren, la tren
sach ty » sach tu, sach thu, xach tay
hieu ve » hieu va
xang xa » lang xa, mang xa, ang xa
vi ca » vit ca, li ca, va ca

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) OR (sach y)) xang xa hoi. ((hieu ve) or (hieu van)) cau luc nganh thanh vi ca tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach y)) xang xa hoi. ((hieu ve) OR (hieu van)) cau luc nganh thanh vi ca tren.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) OR (sach y)) xang xa hoi. ((hieu ve) or (hieu van)) cau luc nganh thanh vi ca tren".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) OR (sach y)) xang xa hoi. ((hieu ve) or (hieu van)) cau luc nganh thanh vi ca tren*.