Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
hanh dao » thanh dat, thanh dam, doanh dao
dang xay » dang van, van xay
luc van » luoc van, luu van, duc van
cam luc » cam xuc, cau luc
hieu va » lieu va, hieu qua
lang ha » long ha
bat ky » ban ky, bac ky
va cam » va cham, va cac, va cao
tu bat » tu ban, tu dat

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu bat ky ((lang ha) or (dang xay)) hoi. hieu va cam luc van ((hanh dao) or (lanh dao)) su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu bat ky ((lang ha) OR (dang xay)) hoi. hieu va cam luc van ((hanh dao) OR (lanh dao)) su triet.
• Adding a wildcard symbol may retrieve word variants: tu bat ky ((lang ha) or (dang xay)) hoi. hieu va cam luc van ((hanh dao) or (lanh dao)) su triet*.