Perhaps you should try some spelling variations:
chau triet » cau triet, cua triet, cau trieu
thanh lap » phan lap, thanh hai, thanh van
nhan luc » nang luc
su sach » so sach, vu sach
hieu vu » hieu va, hieu ve, hieu su
ly nang » ky nang, ly hang, ly vang
vu nhan » cu nhan, vu ngan, tu nhan
y nang » ky nang, v nang, may nang
luc va » duc va, tuc va, loc 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 ((y nang) OR (ly nang)) xa hoi. hieu vu nhan luc va ((thanh lap) or (thanh san)) chau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((y nang) OR (ly nang)) xa hoi. hieu vu nhan luc va ((thanh lap) OR (thanh san)) chau triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((y nang) OR (ly nang)) xa hoi. hieu vu nhan luc va ((thanh lap) or (thanh san)) chau triet".
• Adding a wildcard symbol may retrieve word variants: su sach ((y nang) OR (ly nang)) xa hoi. hieu vu nhan luc va ((thanh lap) or (thanh san)) chau triet*.