Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hang tai » hang va, dung tai
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
ve cham » va cham, ve chat, ve chim
vu cham » va cham, vu kham, tu cham
va hang » van hang, va nang, va lang
tai cua » thai cua, tai cuc, tri cua
ma hoi » mai hoi, xa hoi, ma hoa
cuu va » cuu van, cuu ve

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 ky nang ma hoi. hieu ((ve cham) or (vu cham)) cuu va hang tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ma hoi. hieu ((ve cham) OR (vu cham)) cuu va hang tai cua triet.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ma hoi. hieu ((ve cham) or (vu cham)) cuu va hang tai cua triet*.