Perhaps you should try some spelling variations:
nhieu vien » nhieu viec, nhiet dien, thieu nien
cua triet » cua viet, su triet, va triet
vien cac » vien bach, vien dai, vien da
trinh vi » trinh va, trinh ve, trinh viet
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
cac xuc » cam xuc, cac nuoc, chat xuc
xuc lap » tuc lap, truc lap
vi cua » vai cua, di cua

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. nhieu vien cac xuc lap trinh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ky nang xa hoi. nhieu vien cac xuc lap trinh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ky nang xa hoi. nhieu vien cac xuc lap trinh vi cua triet*.