Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
cua viet » ca viet, hoa viet, cua vat
sach thu » sach thue, sach thieu, sach tham
thai cua » than cua, tai cuc, tri cua
thuc va » thuc dan, thuc day
su sach » so sach, vu sach
hanh xu » hanh tu, hanh sua, hanh cua
hanh xa » hanh va, hanh ma, canh xa
hieu ve » hieu va, hieu van
ve nam » he nam, va nam, le nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach thu ((hanh xa) or (hanh xu)) hoi. hieu ve nam ((thuc va) or (thuc vat)) hanh thai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thu ((hanh xa) OR (hanh xu)) hoi. hieu ve nam ((thuc va) OR (thuc vat)) hanh thai cua viet.
• Adding a wildcard symbol may retrieve word variants: su sach thu ((hanh xa) or (hanh xu)) hoi. hieu ve nam ((thuc va) or (thuc vat)) hanh thai cua viet*.