Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh lap » thanh san, phan lap, thanh hai
lap cua » lai cua, tap cua, lam cua
chay va » chat va, chai va, cham va
tu sach » thu sach, su sach, te sach
hieu va » lieu va, hieu qua
ly nang » ky nang, ly hang, ly vang
cay va » day va, may va, cao va

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

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