Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu bac » hieu cac, hieu bai, hieu bat
danh dai » danh dau, danh di, vanh dai
danh sai » dung sai, danh bat, danh dau
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
bac cau » bach cau, ba cau, bac can
truc va » thuc va, thuc vat, trung va

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 xa hoi. hieu bac cau truc va ((danh dai) or (danh sai)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu bac cau truc va ((danh dai) OR (danh sai)) cua triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu bac cau truc va ((danh dai) or (danh sai)) cua triet*.