Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
su sach » so sach, vu sach
so sanh » do sanh
cam tuc » cam xuc, cam tu, nam thuc
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
va dan » ca dan, va dao, va dau
dan vi » doan vi, don vi, dan va
vi cua » vai cua, di cua
x hoi » o hoi, x ho, 5 hoi

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 sanh)) ky nang ((x hoi) or (xa hoi)). lieu va cam tuc va dan vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sanh)) ky nang ((x hoi) OR (xa hoi)). lieu va cam tuc va dan vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sanh)) ky nang ((x hoi) or (xa hoi)). lieu va cam tuc va dan vi cua triet*.