Perhaps you should try some spelling variations:
chau triet » cau triet, cua triet, cau trieu
thanh loi » thanh hoa, thanh hai, thanh lap
hanh lai » hanh lam, thanh lap, gianh lai
hanh tai » thanh tai, hang tai, han tai
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
y nang » ky nang, ly nang, v nang

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 y nang ma hoa. hieu ve pham duc va ((((hanh lai) or (thanh loi))) or (hanh tai)) chau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang ma hoa. hieu ve pham duc va ((((hanh lai) OR (thanh loi))) OR (hanh tai)) chau triet.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang ma hoa. hieu ve pham duc va ((((hanh lai) or (thanh loi))) or (hanh tai)) chau triet*.