Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
te sach » toc sach
nang ma » tang ma, sang ma, nang cao
vu nham » vu kham, sua nham
vu cham » va cham, vu kham, tu cham
thuc ca » thuc cua, thuc can, thuc cao
dan dau » danh dau, doan dau, van dau
dau cua » dai cua, day cua, cau cua
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
ca dan » cac dan, ca dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang ma hoi. hieu ((vu nham) or (vu cham)) thuc ca dan dau cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ma hoi. hieu ((vu nham) OR (vu cham)) thuc ca dan dau cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach y nang ma hoi. hieu ((vu nham) or (vu cham)) thuc ca dan dau cua triet*.