Perhaps you should try some spelling variations:
chat triet » chet triet, phat trien, chat thien
hanh lam » thanh lap, hanh kem, hanh va
lam chat » luan chat, ly chat, lam chu
so sach » so sanh, bo sach, co sach
nang ma » tang ma, sang ma, nang cao
xa hanh » xa thanh, xa khanh, va hanh
su sach » vu sach
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) OR (so sach)) y nang ma hoi. thien ((van chat) or (cao chat)) tuc xa hanh lam chat triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) y nang ma hoi. thien ((van chat) OR (cao chat)) tuc xa hanh lam chat triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (so sach)) y nang ma hoi. thien ((van chat) or (cao chat)) tuc xa hanh lam chat triet".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (so sach)) y nang ma hoi. thien ((van chat) or (cao chat)) tuc xa hanh lam chat triet*.