Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, cau treo
cham xuc » cam xuc, chat xuc, cham soc
sang dai » sang tai, lang dai, sang mai
hanh vai » hanh va, hanh tai, hanh van
ca tren » cu tren, la tren, co tren
sach ty » sach y, sach tu, sach thu
su sach » so sach, vu sach
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
dai hai » dai han, dai hoi, dai tai
ty sang » ty xang, ty hang, duy sang
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: su sach ty sang dai hai. hieu ve cham xuc va ((hanh vai) or (hanh vi)) ((ca tren) OR (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty sang dai hai. hieu ve cham xuc va ((hanh vai) OR (hanh vi)) ((ca tren) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty sang dai hai. hieu ve cham xuc va ((hanh vai) or (hanh vi)) ((ca tren) OR (cau tren))".
• Adding a wildcard symbol may retrieve word variants: su sach ty sang dai hai. hieu ve cham xuc va ((hanh vai) or (hanh vi)) ((ca tren) OR (cau tren))*.