Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
dang xay » dang van, van xay
tinh tai » trinh tai, tinh thai, tinh hai
tai cua » thai cua, tai cuc, tri cua
va tinh » may tinh
cam luc » cam xuc, cau luc
hieu va » lieu va, hieu qua
sach ky » sach y, sach ty, sach kem
nang xa » nang x, lang xa, nang ma
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc va
sac ky » cac ky, sai ky

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 ky) or (sac ky)) ((nang xa) or (dang xay)) hoi. hieu va cam luc va tinh tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) ((nang xa) OR (dang xay)) hoi. hieu va cam luc va tinh tai cua triet.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sac ky)) ((nang xa) or (dang xay)) hoi. hieu va cam luc va tinh tai cua triet*.