Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
am thanh » nam thanh, pham thanh, ban thanh
thanh vi » hanh vi, thanh va, thanh ve
va trien » va truyen, va thiet, va tuyen
sach ty » sach y, sach tu, sach thu
van hac » van hoc, van hai, van chat
xang x » nang x
van ha » van hoa, van chat, van hanh
tac am » tac dam, tac lam, bac am
x hoi » xa hoi, o hoi, x ho
vi va » vi van, vai va, vu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ty xang x hoi. hieu ((van hac) OR (van ha)) tac am thanh vi va trien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ty xang x hoi. hieu ((van hac) OR (van ha)) tac am thanh vi va trien".
• Adding a wildcard symbol may retrieve word variants: thu sach ty xang x hoi. hieu ((van hac) OR (van ha)) tac am thanh vi va trien*.