Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh hoa » thanh pho
toc sach » hoc sach, thuoc sach, nuoc sach
doc sach » hoc sach, nuoc sach, dac sac
nang xa » nang x, lang xa, nang ma
hieu va » hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
xuc gia » duc gia, luc gia, tuc gia
hoa cua » hoa chat, hoa xuat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc sach) OR (doc sach)) ky nang xa hoi. ((lieu va) or (hieu va)) cac xuc gia thanh hoa cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (doc sach)) ky nang xa hoi. ((lieu va) OR (hieu va)) cac xuc gia thanh hoa cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) OR (doc sach)) ky nang xa hoi. ((lieu va) or (hieu va)) cac xuc gia thanh hoa cua triet".
• Adding a wildcard symbol may retrieve word variants: ((toc sach) OR (doc sach)) ky nang xa hoi. ((lieu va) or (hieu va)) cac xuc gia thanh hoa cua triet*.