Perhaps you should try some spelling variations:
thanh gian » thanh giang, thach giang, thanh san
thuoc sach » hoc sach, nuoc sach, thuat sach
cua viet » ca viet, cua vat, cua dieu
va thanh » gia thanh, ban thanh, va tinh
sach ty » sach y, sach tu, sach thu
ty ang » ty xang, ty hang, ty anh
ang xa » lang xa, mang xa, dang xay
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach ty ang xa hoi. hieu ((ve cam) or (va cam)) xuc va thanh gian ((cua viet) OR (hoa viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ty ang xa hoi. hieu ((ve cam) OR (va cam)) xuc va thanh gian ((cua viet) OR (hoa viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ty ang xa hoi. hieu ((ve cam) or (va cam)) xuc va thanh gian ((cua viet) OR (hoa viet))".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ty ang xa hoi. hieu ((ve cam) or (va cam)) xuc va thanh gian ((cua viet) OR (hoa viet))*.