Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
dua tren » dung tren
hanh lai » hanh lam, hanh tai, thanh lap
tu sach » thu sach, su sach, te sach
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
y sang » _ sang, duy sang
xuc va » duc va, tuc va, luc va
ma hoi » mai hoi, ma hoa, me hoi
cua te » cua tu

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 y sang ((ma hoi) OR (xa hoi)). hieu ve cham xuc va hanh lai ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y sang ((ma hoi) OR (xa hoi)). hieu ve cham xuc va hanh lai ((dua tren) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y sang ((ma hoi) OR (xa hoi)). hieu ve cham xuc va hanh lai ((dua tren) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu sach y sang ((ma hoi) OR (xa hoi)). hieu ve cham xuc va hanh lai ((dua tren) or (cua te))*.