Perhaps you should try some spelling variations:
thanh moi » thanh loi, thanh hoa, thanh hai
va thanh » gia thanh, ban thanh, va tinh
cau tren » cu tren, dau tren, ca tren
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cau loc » hau loc, cau hoc, cau luc
moi cau » hoi cau, loi cau, gioi cau
loc va » hoc va, luc va

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 ky nang xa hoi. ((hieu ve) or (lieu va)) cau loc va thanh moi cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. ((hieu ve) OR (lieu va)) cau loc va thanh moi cau tren.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. ((hieu ve) or (lieu va)) cau loc va thanh moi cau tren*.