Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cach qua » cac qua, bach qua, cach cua
loai cua » lai cua, loai ca, loai chat
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
ve cach » va cach, ve cac, ve canh
qua ban » cua ban, qua quan
loi cua » hoi cua, doi cua, lai cua
x hoi » xa hoi, o hoi, x ho

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) or (su sach)) ky nang x hoi. hieu ve cach qua ban thanh ((loi cua) or (loai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ky nang x hoi. hieu ve cach qua ban thanh ((loi cua) OR (loai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ky nang x hoi. hieu ve cach qua ban thanh ((loi cua) or (loai cua)) tre*.