Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
tham luc » than luc, tham nuoc, tham thuc
hanh vai » hanh vi, hanh va, hanh tai
tang tai » hang tai, dung tai, sang tao
ban hanh » ban hang
luc ban » duc ban, cuc ban, luc bat
va tham » van tham, va cham, va thanh
hieu va » lieu va, hieu qua
tai hoi » tai khoi, dai hoi, tai hai
sac ky » cac 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 ((sac ky) or (sai ky)) tang tai hoi. hieu va tham luc ban hanh vai ((cua triet) OR (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (sai ky)) tang tai hoi. hieu va tham luc ban hanh vai ((cua triet) OR (su triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) or (sai ky)) tang tai hoi. hieu va tham luc ban hanh vai ((cua triet) OR (su triet))".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) or (sai ky)) tang tai hoi. hieu va tham luc ban hanh vai ((cua triet) OR (su triet))*.