Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
cac tuc » cac toc, cac tu, cac tac
dan vai » dan va, dan vat, den vai
dan tai » van tai, dan thi, han tai
ma hoi » mai hoi, xa hoi, ma hoa
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang ma hoi. lieu va cac tuc va ((dan vai) or (dan tai)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ma hoi. lieu va cac tuc va ((dan vai) OR (dan tai)) cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ma hoi. lieu va cac tuc va ((dan vai) or (dan tai)) cua triet*.