Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh qua » thanh quan, thanh qui, hanh qua
qua cua » quan cua, quang cua, qua quan
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, ve cai
luc va » duc va, tuc va
loc va » hoc va
ma hoi » mai hoi, xa hoi, ma hoa
va cam » va cham, va cac, va cao

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 hoi. hieu ((ve cam) or (va cam)) ((luc va) or (loc va)) thanh qua cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang ma hoi. hieu ((ve cam) OR (va cam)) ((luc va) OR (loc va)) thanh qua cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach y nang ma hoi. hieu ((ve cam) or (va cam)) ((luc va) or (loc va)) thanh qua cua triet*.