Perhaps you should try some spelling variations:
lang may » mang may, bang may, lang mai
truc bat » truc ban, truc bach, thuoc bat
bat hanh » bat khanh, ban hanh, bao hanh
hanh vai » hanh vi, hanh va, hanh tai
cua viet » ca viet, cua vat, cua dieu
so sach » so sanh, bo sach, co sach
sach xu » sach xa, cach xu, mach xu
xu lang » cu lang, tu lang, xu dang
may hoi » may thoi, tay hoi, mai hoi
hieu ve » hieu va, hieu van
ve cau » ke cau, va cau, ve cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so sach xu lang may hoi. hieu ve cau truc bat hanh vai ((cua viet) or (hoa viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach xu lang may hoi. hieu ve cau truc bat hanh vai ((cua viet) OR (hoa viet)).
• Adding a wildcard symbol may retrieve word variants: so sach xu lang may hoi. hieu ve cau truc bat hanh vai ((cua viet) or (hoa viet))*.