Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
van anh » van thanh, tuan anh, van minh
anh dai » vanh dai, anh bai, anh dat
va dau » va dao
tu van » tu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty nang xa hoi. lieu va dau tu van anh dai ((cua triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang xa hoi. lieu va dau tu van anh dai ((cua triet) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: su sach ty nang xa hoi. lieu va dau tu van anh dai ((cua triet) or (su triet))*.