Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sinh viec » sinh vien, dinh viec, ninh viet
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
nam luc » nang luc, nhan luc, nam thuc
va sinh » va kinh, va tinh, vi sinh
tu sac » tu cac, tu san, tu bac
ma hoi » mai hoi, xa hoi, ma hoa
va nam » van nam, ha nam, va nay
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 ma hoi. hieu va nam luc va sinh viec cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu sach)) ky nang ma hoi. hieu va nam luc va sinh viec cua triet.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu sach)) ky nang ma hoi. hieu va nam luc va sinh viec cua triet*.