Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
thanh do » thanh de, thanh pho, thanh hoa
su triet » su viet, su tien, ve triet
te sach » toc sach
hieu va » hieu qua
cam luc » cau luc
y nang » ky nang, ly nang, v nang
x hoi » xa hoi, o hoi, x ho
do su » do sut, do tu, co su

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang x hoi. ((hieu va) or (lieu va)) ((cam luc) or (cam xuc)) va thanh do su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang x hoi. ((hieu va) OR (lieu va)) ((cam luc) OR (cam xuc)) va thanh do su triet.
• Adding a wildcard symbol may retrieve word variants: te sach y nang x hoi. ((hieu va) or (lieu va)) ((cam luc) or (cam xuc)) va thanh do su triet*.