Perhaps you should try some spelling variations:
nhanh ngan » chinh ngan, thanh nhan
thi hanh » thi thanh
hanh nam » thanh nam, hanh lam, hanh ngay
sach thi » sach thu, sach tai, sach thieu
tu sach » thu sach, su sach, te sach
tuc van » thuc van, truc van, tuc va
ve cham » va cham, ve chat, vu cham
hanh xa » hanh va, hanh ma, hanh xu
va cam » va cham, va cac, va cao
thiet » thieu

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 thi hanh xa hoi. hieu ((ve cham) or (va cam)) tuc van ((hanh nam) or (nhanh ngan)) va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thi hanh xa hoi. hieu ((ve cham) OR (va cam)) tuc van ((hanh nam) OR (nhanh ngan)) va thiet.
• Adding a wildcard symbol may retrieve word variants: tu sach thi hanh xa hoi. hieu ((ve cham) or (va cam)) tuc van ((hanh nam) or (nhanh ngan)) va thiet*.