Perhaps you should try some spelling variations:
thanh hoa » thanh pho
cua triet » cua viet, su triet, va triet
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
ly nang » ky nang, ly hang, ly vang
hieu va » hieu qua
cac tuc » cac toc, cac tu, cac tac
hoa cua » hoa chat, hoa xuat
y nang » ky nang, v nang, may nang
tuc va » thuc va, truc va, tuc xa

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) OR (ly nang)) xa hoi. ((lieu va) or (hieu va)) cac tuc va thanh hoa cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y nang) OR (ly nang)) xa hoi. ((lieu va) OR (hieu va)) cac tuc va thanh hoa cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) OR (ly nang)) xa hoi. ((lieu va) or (hieu va)) cac tuc va thanh hoa cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) OR (ly nang)) xa hoi. ((lieu va) or (hieu va)) cac tuc va thanh hoa cua triet*.