Perhaps you should try some spelling variations:
sach thi » sach thu, sach tai, sach thieu
thi hang » thi hanh, thi nang, thi hong
cham tuc » nham thuc, pham thuc, tham thuc
hanh vai » hanh vi, hanh tai, hanh van
cua viet » ca viet, hoa viet, cua vat
tu sach » thu sach, su sach, te sach
hang xa » hoang xa, hang va, hang ca
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
hanh va » hang va, hanh vi
tuc va » thuc va, truc va, tuc xa

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 hang xa hoi. hieu vu cham tuc va ((hanh vai) or (hanh va)) cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thi hang xa hoi. hieu vu cham tuc va ((hanh vai) OR (hanh va)) cua viet.
• Adding a wildcard symbol may retrieve word variants: tu sach thi hang xa hoi. hieu vu cham tuc va ((hanh vai) or (hanh va)) cua viet*.