Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hieu hien » bieu hien, dieu hien, chieu chien
hien hanh » dieu hanh
va doanh » van doanh, vay doanh, hoa doanh
hanh mao » hanh ma, hanh mau, hanh may
nang xa » nang x, lang xa, nang ma
su sach » so sach, vu sach
va danh » va dinh, va dan, va hanh
dan cua » dan ca, ban cua, dai cua
tu sach » thu sach, te sach, tu cach

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) or (su sach)) ky nang xa hoi. hieu hien hanh mao ((va doanh) or (va danh)) dan cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ky nang xa hoi. hieu hien hanh mao ((va doanh) OR (va danh)) dan cua triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ky nang xa hoi. hieu hien hanh mao ((va doanh) or (va danh)) dan cua triet*.