Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hang tai » hang va, dung tai
cham xuc » cam xuc, chat xuc, cham soc
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
thi hang » thi hanh, thi hong, thi thanh
thi nang » thi cong, ki nang, thi hanh
hanh va » hang va, hanh vi
tu sach » thu sach, su sach, te sach
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: tu sach ((thi hang) OR (thi nang)) xa hoi. hieu van cham xuc va ((hang tai) or (hanh va)) cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((thi hang) OR (thi nang)) xa hoi. hieu van cham xuc va ((hang tai) OR (hanh va)) cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((thi hang) OR (thi nang)) xa hoi. hieu van cham xuc va ((hang tai) or (hanh va)) cua viet".
• Adding a wildcard symbol may retrieve word variants: tu sach ((thi hang) OR (thi nang)) xa hoi. hieu van cham xuc va ((hang tai) or (hanh va)) cua viet*.