Perhaps you should try some spelling variations:
chua triet » cua triet, chua thiet, chua trieu
cau tran » cau tra, cau tren, chu trang
van hanh » van thanh, ban hanh, van anh
tran van » luan van
nang xa » nang x, lang xa, nang ma
sach ty » sach y, sach tu, sach thu
hieu va » lieu va, hieu qua
hanh va » hang va, hanh vi
va chua » vua chua, ca chua, va chu
sac ky » cac ky
va cau » van cau, va cac, va dau

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 ty) or (((sai ky) or (sac ky)))) nang xa hoi. hieu va cau tran van hanh va chua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (((sai ky) OR (sac ky)))) nang xa hoi. hieu va cau tran van hanh va chua triet.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (((sai ky) or (sac ky)))) nang xa hoi. hieu va cau tran van hanh va chua triet*.