Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
dan sai » danh sai, doan sai, dan tai
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cam duc » cam xuc, pham duc, nam duoc
cao duc » dao duc, cao suc, giao duc
te sac » te sach, te cac, te san
cua tu » cua tuc, cua su, cua cu
va dan » ca dan, va dao, va dau
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: te sac ky lang xa hoi. hieu va ((cam duc) or (cao duc)) va dan sai ((va triet) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky lang xa hoi. hieu va ((cam duc) OR (cao duc)) va dan sai ((va triet) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: te sac ky lang xa hoi. hieu va ((cam duc) or (cao duc)) va dan sai ((va triet) or (cua tu))*.