Perhaps you should try some spelling variations:
tinh viec » tinh viet, dinh viec, sinh viec
cua triet » cua viet, su triet, va triet
nang mai » nang ma, nang tai, lang mai
hieu van » hieu va, thien van, lieu va
tu sach » thu sach, su sach, te sach
mai hoi » mai khoi, dai hoi, lai hoi
nam luc » nang luc, nhan luc, nam thuc
va tinh » may tinh
tu sac » tu cac, tu san, tu bac
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: ((tu sac) OR (tu sach)) ky nang mai hoi. hieu van nam luc va tinh viec cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) OR (tu sach)) ky nang mai hoi. hieu van nam luc va tinh viec cua triet".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) OR (tu sach)) ky nang mai hoi. hieu van nam luc va tinh viec cua triet*.