Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
dan sai » danh sai, doan sai, dan tai
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
sach ky » sac ky, sach ty, sach kem
cam duc » cam xuc, cao duc, pham duc
va cam » va cham, va cac, va cao
ca dan » cac dan, ca dao
duc ca » duc cac, duc va, duc ha
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach ky) or (sach y)) lang xa hoi. hieu va cam duc ca dan sai ((cua triet) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sach y)) lang xa hoi. hieu va cam duc ca dan sai ((cua triet) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) or (sach y)) lang xa hoi. hieu va cam duc ca dan sai ((cua triet) or (cua tu))*.