Perhaps you should try some spelling variations:
chau triet » cau triet, cua triet, cau trieu
thanh lap » thanh san, phan lap, thanh hai
hanh tai » thanh tai, hang tai, han tai
tu sach » thu sach, su sach, te sach
ty nang » ty xang, ty hang, ly nang
ha duc » ho duc, ha dac, xa duc
va ha » va hoa, va kha, va han

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 ((ty nang) OR (ky nang)) xa hoi. lieu va ha duc va ((hanh tai) or (thanh lap)) chau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (ky nang)) xa hoi. lieu va ha duc va ((hanh tai) OR (thanh lap)) chau triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((ty nang) OR (ky nang)) xa hoi. lieu va ha duc va ((hanh tai) or (thanh lap)) chau triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) OR (ky nang)) xa hoi. lieu va ha duc va ((hanh tai) or (thanh lap)) chau triet*.