Perhaps you should try some spelling variations:
tang van » dang van, hoang van, trong van
cham xuc » cam xuc, chat xuc, cham soc
su sach » vu sach
va hanh » van hanh, va thanh, va danh
va cham » va chat, va tham
hieu va » lieu va, hieu qua
ty tang » tay tang, ty xang, ty hang
so sach » so sanh, bo sach, co sach
xuc va » duc va, tuc va, luc va
cua tu » cua tuc, cua su, cua cu

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) or (so sach)) ty tang van hoa. hieu va cham xuc va hanh vi ((cua te) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ty tang van hoa. hieu va cham xuc va hanh vi ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (so sach)) ty tang van hoa. hieu va cham xuc va hanh vi ((cua te) OR (cua tu))".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ty tang van hoa. hieu va cham xuc va hanh vi ((cua te) OR (cua tu))*.