Perhaps you should try some spelling variations:
ban hangh » ban hanh, ban thanh, van hanh
ban hang » ngan hang
su triet » su viet, su tien, ve triet
tu sach » thu sach, su sach, te sach
sach tu » sach thu, cach tu, sach ty
tu nong » tu dong, tu cong, tu tong
nong xa » song xa, dong xa, nong va
qua cam » qua cham, qua cac, qua ca
cua tre » cua te, cuu tre, cua triet

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 tu nong xa hoi. hieu qua cam xuc ((ban hangh) or (ban hang)) d ((cua tre) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tu nong xa hoi. hieu qua cam xuc ((ban hangh) OR (ban hang)) d ((cua tre) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: tu sach tu nong xa hoi. hieu qua cam xuc ((ban hangh) or (ban hang)) d ((cua tre) or (su triet))*.