Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tham nuoc » thay nuoc, thoat nuoc, nha nuoc
tham soc » cham soc, thai son, ham so
va tinh » may tinh
va hanh » van hanh, va thanh, va danh
su sach » so sach, vu sach
ma khoi » mai khoi, ra khoi, xa khoi
nang ma » tang ma, sang ma, nang cao
y nang » ky nang, ly nang, v nang
di cua » dai cua, doi cua, de cua

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 y nang ma khoi. lieu va ((tham soc) or (tham nuoc)) ((va hanh) or (va tinh)) di cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang ma khoi. lieu va ((tham soc) OR (tham nuoc)) ((va hanh) OR (va tinh)) di cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach y nang ma khoi. lieu va ((tham soc) or (tham nuoc)) ((va hanh) or (va tinh)) di cua triet*.