Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
hieu van » hieu va, thien van, lieu va
cham xuc » cam xuc, chat xuc, cham soc
cau tren » cu tren, dau tren, ca tren
hieu ve » hieu va
sach ty » sach y, sach tu, sach thu
xuc van » duc van, luc van, xuc ban
van anh » van thanh, tuan anh, van minh
ty nang » ky nang, ty xang, ty hang
anh di » danh di, xanh di, anh d
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ty nang x hoi. ((hieu ve) OR (hieu van)) cham xuc van anh di ((cua triet) or (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty nang x hoi. ((hieu ve) OR (hieu van)) cham xuc van anh di ((cua triet) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ty nang x hoi. ((hieu ve) OR (hieu van)) cham xuc van anh di ((cua triet) or (cau tren))".
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang x hoi. ((hieu ve) OR (hieu van)) cham xuc van anh di ((cua triet) or (cau tren))*.